{"title":"Multi-Channel \u0026 Full-Range Amplifiers","description":"\u003cp\u003eTwo-channel, four-channel, five-channel and higher-channel-count amplifiers for speakers, active systems and complete-system power. Choose channel count around the system layout, then match power, impedance, processing and installation space.\u003c\/p\u003e","products":[{"product_id":"recoil-dii-series-class-d-amplifiers","title":"Recoil DII Series Amplifiers — Mono, 4 \u0026 5-Channel Models","description":"\u003ch2\u003eRecoil DII Series Class-D Amplifiers\u003c\/h2\u003e\u003cp\u003eThe DII line covers everything from a compact mono amp for a modest sub stage to four-channel amplifiers that can run serious midbass and pro-audio systems, plus a five-channel model that can power an entire system from one chassis. The important part is not choosing the biggest number on the page. It is choosing the model whose channel count, final speaker impedance and real RMS output match the system you are actually building.\u003c\/p\u003e\u003cp\u003eDII amplifiers use compact Class-D architecture and, depending on model, support high-level and RCA signal input, selectable REM\/VOX\/DC turn-on, top-mounted controls, clip indication and RCA pass-through. Those features make the series useful in both aftermarket-radio systems and factory-radio integration jobs where space and turn-on strategy matter.\u003c\/p\u003e\u003ch3\u003eChoose the Right DII Model\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDII600.1 — Mono — 700W @ 1 Ohm\u003c\/strong\u003e\u003cbr\u003eThis is the entry mono choice when the bass stage needs several hundred watts without giving up much installation space. It makes sense for a single efficient subwoofer or a small dual-sub setup wired to the correct final load. With 265W at 4 ohms, 465W at 2 ohms and 700W at 1 ohm, the reason to choose the DII600.1 is not maximum output—it is getting a useful mono channel in a compact package while still having room to grow beyond a basic 300–400W system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDII1000.1 — Mono — 1000W @ 2 Ohms\u003c\/strong\u003e\u003cbr\u003eChoose the DII1000.1 when the subwoofer system naturally lands at 2 ohms and needs around 1,000 watts. This model is different from the 1-ohm mono options because its rated minimum load is 2 ohms. That makes it a good fit for subwoofer combinations wired for a 2-ohm final load, but the wrong choice if the enclosure is already committed to 1 ohm. Its 4-ohm output is 550W, so it also works well when the driver needs moderate power now with the ability to reconfigure later.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDII1600.1 — Mono — 1600W @ 1 Ohm\u003c\/strong\u003e\u003cbr\u003eThe DII1600.1 is the step up when a 1-ohm subwoofer load needs substantially more headroom than the DII600.1. It is rated for 550W at 4 ohms, 1,000W at 2 ohms and 1,600W at 1 ohm. This is the point where we start paying much closer attention to charging voltage, battery condition, cable size and fuse protection because the electrical system has to support the amplifier if you expect it to make that power consistently.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDII3300.1 — Mono — 3300W @ 1 Ohm\u003c\/strong\u003e\u003cbr\u003eThe DII3300.1 belongs in a genuinely high-output bass system. It produces 1,000W at 4 ohms, 2,050W at 2 ohms and 3,300W at 1 ohm. Choose it when the subwoofer stage and electrical system were designed around that level of current demand from the beginning. This is not the model we would add to an otherwise stock electrical system and hope for the best; large power and ground cable, proper fuse protection, strong battery capacity and charging support become part of the amplifier decision.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDII5000.1 — Mono — 5100W @ 1 Ohm\u003c\/strong\u003e\u003cbr\u003eThis is the largest mono amplifier in this selector and it is intended for very high-power subwoofer systems. Output is 1,800W at 4 ohms, 3,100W at 2 ohms and 5,100W at 1 ohm. The buying logic is simple: if the sub stage does not actually need this much power, use the smaller amplifier. If it does, the amplifier cannot be treated separately from alternator output, battery reserve, cable capacity, fuse hardware, ground architecture and enclosure\/subwoofer thermal limits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDII400.4 — 4-Channel — 100W x 4 @ 2 Ohms\u003c\/strong\u003e\u003cbr\u003eThe DII400.4 is the compact four-channel choice for normal component, coaxial and moderate-power active systems. It gives you 62W x 4 at 4 ohms, 100W x 4 at 2 ohms or 200W x 2 bridged at 4 ohms. Choose this one when packaging is tight and the speakers do not need several hundred watts per channel. It is a much better fit for a clean daily-driver speaker upgrade than buying a huge four-channel amp and turning nearly all of it down.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDII700.4 — 4-Channel — 160W x 4 @ 2 Ohms\u003c\/strong\u003e\u003cbr\u003eThe DII700.4 gives you more speaker headroom without moving into the truly high-power four-channel category. It is rated at 110W x 4 at 4 ohms, 160W x 4 at 2 ohms and 340W x 2 bridged at 4 ohms. This is a strong middle-ground choice for higher-power component sets, midbass drivers or loud daily systems where the DII400.4 is a little short but a 300W-per-channel amplifier would be unnecessary.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDII1100.4 — 4-Channel — 270W x 4 @ 2 Ohms\u003c\/strong\u003e\u003cbr\u003eThe DII1100.4 moves into serious midbass and high-output speaker territory. With 178W x 4 at 4 ohms, 270W x 4 at 2 ohms and 570W x 2 bridged at 4 ohms, it makes sense when the speakers are designed to use real power and the installation has the electrical and thermal headroom to support it. Compared with the DII700.4, the reason to step up is not just volume—it is additional clean headroom for drivers that can actually take advantage of it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDII1400.4 — 4-Channel — 310W x 4 @ 2 Ohms\u003c\/strong\u003e\u003cbr\u003eThis model sits above the DII1100.4 for systems that need still more four-channel output. It is rated at 210W x 4 at 4 ohms, 310W x 4 at 2 ohms and 620W x 2 bridged at 4 ohms. It fits high-power component, midbass and pro-audio builds where four channels need substantial independent power but you do not yet need the 1-ohm-per-channel capability of the DII2000.4 or DII4000.4.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDII2000.4 — 4-Channel — 500W x 4 @ 1 Ohm\u003c\/strong\u003e\u003cbr\u003eThe DII2000.4 changes the application because it can run 1-ohm stereo loads. It is rated at 220W x 4 at 4 ohms, 360W x 4 at 2 ohms, 500W x 4 at 1 ohm and 750W x 2 bridged at 4 ohms. This is aimed at high-output midbass, midrange and pro-audio systems where multiple drivers per channel create lower final impedances. Do not choose it just because it has more power; choose it when the speaker layout and final load actually require the additional current capability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDII4000.4 — 4-Channel — 1000W x 4 @ 1 Ohm\u003c\/strong\u003e\u003cbr\u003eThe DII4000.4 is the extreme four-channel option in the family. It produces 435W x 4 at 4 ohms, 700W x 4 at 2 ohms, 1,000W x 4 at 1 ohm or 1,400W x 2 bridged at 4 ohms. This belongs in large SPL\/SQL-style speaker systems with multiple high-power drivers and an electrical system built around the amplifier load. At this level, amplifier selection and electrical-system design are the same conversation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDII1400.5 — 5-Channel — 160W x 4 + 800W Sub @ 2 Ohms\u003c\/strong\u003e\u003cbr\u003eThe DII1400.5 is the cleanest choice when you want one amplifier to run the full system. Channels 1–4 provide 100W x 4 at 4 ohms or 160W x 4 at 2 ohms for the front and rear speakers, while the dedicated sub channel provides 500W at 4 ohms or 800W at 2 ohms. The full-range channels can also bridge to 320W x 2 at 4 ohms. Compared with separate four-channel and mono amplifiers, the advantage is simpler packaging and wiring; the tradeoff is that the whole system has to fit the output structure of this one chassis.\u003c\/p\u003e\u003ch3\u003eHow We Match a DII Amplifier to the System\u003c\/h3\u003e\u003cp\u003eStart with the final speaker or subwoofer impedance, then compare the amplifier’s RMS output at that exact load to the driver’s usable power range. After that, look at channel count, crossover strategy and electrical demand. A 1-ohm rating only matters if the speaker wiring actually lands at 1 ohm, and a 5,000-watt amplifier is not an upgrade if the vehicle cannot supply the current or the speakers cannot use the power.\u003c\/p\u003e\u003cp\u003eFor factory-radio integration, confirm the signal type and turn-on strategy before the amp is installed. For high-output mono and 1-ohm four-channel models, plan the charging system, battery reserve, power\/ground cable and external fuse protection at the same time as the amplifier. That is how you end up with a system that holds voltage and plays consistently instead of one that only looks good on a power-rating chart.\u003c\/p\u003e\u003ch3\u003eManufacturer Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003e4 Ohms\u003c\/th\u003e\n\u003cth\u003e2 Ohms\u003c\/th\u003e\n\u003cth\u003e1 Ohm \/ Bridged\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII600.1\u003c\/td\u003e\n\u003ctd\u003e265W x 1\u003c\/td\u003e\n\u003ctd\u003e465W x 1\u003c\/td\u003e\n\u003ctd\u003e700W x 1 @ 1Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII1000.1\u003c\/td\u003e\n\u003ctd\u003e550W x 1\u003c\/td\u003e\n\u003ctd\u003e1,000W x 1\u003c\/td\u003e\n\u003ctd\u003e2Ω minimum rated load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII1600.1\u003c\/td\u003e\n\u003ctd\u003e550W x 1\u003c\/td\u003e\n\u003ctd\u003e1,000W x 1\u003c\/td\u003e\n\u003ctd\u003e1,600W x 1 @ 1Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII3300.1\u003c\/td\u003e\n\u003ctd\u003e1,000W x 1\u003c\/td\u003e\n\u003ctd\u003e2,050W x 1\u003c\/td\u003e\n\u003ctd\u003e3,300W x 1 @ 1Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII5000.1\u003c\/td\u003e\n\u003ctd\u003e1,800W x 1\u003c\/td\u003e\n\u003ctd\u003e3,100W x 1\u003c\/td\u003e\n\u003ctd\u003e5,100W x 1 @ 1Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII400.4\u003c\/td\u003e\n\u003ctd\u003e62W x 4\u003c\/td\u003e\n\u003ctd\u003e100W x 4\u003c\/td\u003e\n\u003ctd\u003e200W x 2 bridged @ 4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII700.4\u003c\/td\u003e\n\u003ctd\u003e110W x 4\u003c\/td\u003e\n\u003ctd\u003e160W x 4\u003c\/td\u003e\n\u003ctd\u003e340W x 2 bridged @ 4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII1100.4\u003c\/td\u003e\n\u003ctd\u003e178W x 4\u003c\/td\u003e\n\u003ctd\u003e270W x 4\u003c\/td\u003e\n\u003ctd\u003e570W x 2 bridged @ 4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII1400.4\u003c\/td\u003e\n\u003ctd\u003e210W x 4\u003c\/td\u003e\n\u003ctd\u003e310W x 4\u003c\/td\u003e\n\u003ctd\u003e620W x 2 bridged @ 4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII2000.4\u003c\/td\u003e\n\u003ctd\u003e220W x 4\u003c\/td\u003e\n\u003ctd\u003e360W x 4\u003c\/td\u003e\n\u003ctd\u003e500W x 4 @ 1Ω \/ 750W x 2 bridged @ 4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII4000.4\u003c\/td\u003e\n\u003ctd\u003e435W x 4\u003c\/td\u003e\n\u003ctd\u003e700W x 4\u003c\/td\u003e\n\u003ctd\u003e1,000W x 4 @ 1Ω \/ 1,400W x 2 bridged @ 4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDII1400.5\u003c\/td\u003e\n\u003ctd\u003e100W x 4 + 500W x 1\u003c\/td\u003e\n\u003ctd\u003e160W x 4 + 800W x 1\u003c\/td\u003e\n\u003ctd\u003e320W x 2 bridged @ 4Ω on channels 1–4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSeries features vary by model:\u003c\/strong\u003e compact Class-D architecture, high-level and RCA signal support, selectable REM\/VOX\/DC turn-on on applicable models, top-mounted controls, model-specific HPF\/LPF functions, clip indication, RCA pass-through and protection circuitry. Confirm the selected model’s final load, crossover range, fuse requirement and electrical demand before installation.\u003c\/p\u003e","brand":"Recoil Audio","offers":[{"title":"Mono Amplifier — 700W — DII600.1","offer_id":51707505508585,"sku":"DII600.1","price":200.0,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 1000W — DII1000.1","offer_id":51707505541353,"sku":"DII1000.1","price":330.0,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 1600W — DII1600.1","offer_id":51707505574121,"sku":"DII1600.1","price":380.0,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 3300W — DII3300.1","offer_id":51707505606889,"sku":"DII3300.1","price":430.0,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 5100W — DII5000.1","offer_id":51707505639657,"sku":"DII5000.1","price":500.0,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — DII400.4","offer_id":51707505672425,"sku":"DII400.4","price":240.0,"currency_code":"USD","in_stock":false},{"title":"4-Channel Amplifier — DII700.4","offer_id":51160425562345,"sku":"DII700.4","price":280.0,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — DII1100.4","offer_id":51707505705193,"sku":"DII1100.4","price":320.0,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — DII1400.4","offer_id":51707505737961,"sku":"DII1400.4","price":360.0,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — DII2000.4","offer_id":51707505770729,"sku":"DII2000.4","price":450.0,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — DII4000.4","offer_id":51707505803497,"sku":"DII4000.4","price":600.0,"currency_code":"USD","in_stock":true},{"title":"5-Channel Amplifier — DII1400.5","offer_id":51707505836265,"sku":"DII1400.5","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/recoil-dii4000-4.jpg?v=1787454771"},{"product_id":"mb-quart-pa1-800-4-premium-pro-4-channel-amplifier-used","title":"MB Quart PA1-800.4 4-Channel Amplifier — Used Closeout","description":"\u003ch2\u003eMB Quart PA1-800.4 Premium Pro 4-Channel Amplifier — Used Closeout\u003c\/h2\u003e\u003cp\u003eIf you need four solid full-range channels but do not need the size, current demand, or output of the PA1-2400.4, the PA1-800.4 is the more sensible amplifier. MB Quart rates it at 100 watts × 4 at 4 ohms, 200 watts × 4 at 2 ohms, or 400 watts × 2 bridged at 4 ohms. That puts it in a useful range for door speakers, component sets, rear fill, or two compatible higher-power 4-ohm loads when the channels are bridged.\u003c\/p\u003e\u003cp\u003eThis is the smaller PA1 four-channel, and that matters in a real install. The chassis is only 5.81 × 4.45 × 2.0 inches, MB Quart specifies 8 AWG power and ground connections, and the published external fuse requirement is 80 amps. The PA1-2400.4 is the right move when the system is built around high-output pro-audio speakers or heavy midbass and needs several hundred watts per channel. The PA1-800.4 makes more sense when the speakers do not need that level of power and keeping the rack compact is more important than buying amplifier headroom you will never use.\u003c\/p\u003e\u003ch3\u003eWhere We Would Use It\u003c\/h3\u003e\u003cp\u003eA straightforward four-speaker system is the obvious fit: front components or coaxials on two channels and rear speakers on the other two. It can also run two higher-power 4-ohm loads at up to 400 watts per channel when bridged. Bridging changes both the available channel count and the minimum load, so this is not a 400-watt-per-channel four-channel amp and MB Quart does not publish a 2-ohm bridged rating.\u003c\/p\u003e\u003cp\u003eThe built-in high-pass and low-pass filters adjust from 45 Hz to 850 Hz on both channel pairs. That is useful for protecting door speakers, band-limiting midbass, or dividing basic speaker roles, but it is not a substitute for a DSP in a fully active multi-way system that needs crossover points above 850 Hz, independent time alignment, EQ, or more precise filter control.\u003c\/p\u003e\u003ch3\u003eFactory Radio Integration\u003c\/h3\u003e\u003cp\u003eThe PA1-800.4 accepts both low-level RCA and high-level speaker inputs. High-level input can make connection to an OEM source easier, but it does not automatically correct factory EQ, all-pass filters, bass roll-off, channel summing requirements, or other processing built into many factory systems. On a processed factory radio, the signal still needs to be checked before deciding that speaker-level input alone is the right integration method.\u003c\/p\u003e\u003ch3\u003eUsed Closeout\u003c\/h3\u003e\u003cp\u003eThis listing is for the used-closeout PA1-800.4, not a new retail unit. The reason to buy this one is value when the amplifier's channel count, impedance requirements, power range, and physical size already fit the build. Do not choose it only because it is less expensive than the PA1-2400.4; choose it when roughly 100 watts per channel at 4 ohms or 200 watts per channel at 2 ohms is actually the correct power range for the speakers being used. This is a final-sale closeout item.\u003c\/p\u003e\u003ch3\u003eManufacturer Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003ePA1-800.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeries\u003c\/th\u003e\n\u003ctd\u003ePremium Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAmplifier class\u003c\/th\u003e\n\u003ctd\u003eFull-range Class D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eChannels\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished power at 4 ohms\u003c\/th\u003e\n\u003ctd\u003e100 watts × 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished power at 2 ohms\u003c\/th\u003e\n\u003ctd\u003e200 watts × 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished bridged power at 4 ohms\u003c\/th\u003e\n\u003ctd\u003e400 watts × 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHigh-pass filter\u003c\/th\u003e\n\u003ctd\u003e45 Hz–850 Hz, 12 dB\/octave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLow-pass filter\u003c\/th\u003e\n\u003ctd\u003e45 Hz–850 Hz, 12 dB\/octave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLow-level input range\u003c\/th\u003e\n\u003ctd\u003e0.3–5.5 volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHigh-level input range\u003c\/th\u003e\n\u003ctd\u003e2.8–40 volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e10 Hz–30 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSignal-to-noise ratio\u003c\/th\u003e\n\u003ctd\u003eGreater than 102 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTHD\u003c\/th\u003e\n\u003ctd\u003e1.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower and ground terminal\u003c\/th\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpeaker terminal\u003c\/th\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eExternal fuse requirement\u003c\/th\u003e\n\u003ctd\u003e80 amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAmplifier dimensions\u003c\/th\u003e\n\u003ctd\u003e5.81 × 4.45 × 2.0 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManufacturer Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLow-noise preamplifier circuit\u003c\/li\u003e\n\u003cli\u003eTwo pairs of nickel-plated RCA inputs\u003c\/li\u003e\n\u003cli\u003eHigh-level speaker input capability\u003c\/li\u003e\n\u003cli\u003ePWM MOSFET power supply\u003c\/li\u003e\n\u003cli\u003eExtruded aluminum heat sink with built-in fan cooling\u003c\/li\u003e\n\u003cli\u003eThermal, overload, DC and speaker-short protection diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlan speaker impedance, any bridged load, power cable, external fuse, grounding, airflow, and the vehicle's electrical capacity before installation.\u003c\/p\u003e","brand":"MB Quart","offers":[{"title":"Default Title","offer_id":51431626342633,"sku":"PA1-800-4-2-USED","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/rn-image_picker_lib_temp_f7709205-42f2-4996-b5bf-86e6b274f203.png?v=1780963972"},{"product_id":"mb-quart-pa1-800-4-premium-pro-4-channel-amplifier-open-box","title":"MB Quart PA1-800.4 4-Channel Amplifier — Open Box","description":"\u003ch2\u003eMB Quart PA1-800.4 Premium Pro 4-Channel Amplifier — Open Box\u003c\/h2\u003e\u003cp\u003eThe PA1-800.4 is the compact four-channel option in MB Quart's Premium Pro lineup. It makes sense when you want enough power for a normal amplified front\/rear system or a pair of compatible bridged loads, but stepping all the way up to the PA1-2400.4 would add power, current demand, and cost that the speakers do not actually need.\u003c\/p\u003e\u003cp\u003eMB Quart publishes 100 watts × 4 at 4 ohms and 200 watts × 4 at 2 ohms, with the option to bridge the amplifier to 400 watts × 2 at 4 ohms. That is a useful range for quality door speakers, passive component sets, rear speakers, or two higher-power 4-ohm drivers. The 5.81 × 4.45 × 2.0-inch chassis is also easy to package when the amplifier rack has to share space with a DSP, subwoofer amplifier, distribution, or factory modules.\u003c\/p\u003e\u003ch3\u003ePA1-800.4 or PA1-2400.4?\u003c\/h3\u003e\u003cp\u003eChoose the PA1-800.4 when roughly 100 watts per channel at 4 ohms or 200 watts per channel at 2 ohms is enough for the speakers being used. Choose the PA1-2400.4 when the build is centered around high-output pro-audio speakers, heavier midbass, or another load that genuinely needs several hundred watts per channel. Bigger is not automatically better if the extra power requires more electrical support and never gets used.\u003c\/p\u003e\u003cp\u003eThe electrical requirements show the difference clearly. MB Quart specifies 8 AWG power and ground connections with an external 80-amp fuse for the PA1-800.4. The PA1-2400.4 moves to 4 AWG and a 250-amp external fuse. Either amplifier still needs proper wiring, grounding, fusing, and airflow; the smaller PA1 simply fits a different power class.\u003c\/p\u003e\u003ch3\u003eHow We Would Use It\u003c\/h3\u003e\u003cp\u003eFor a four-speaker system, run one channel per speaker and set the high-pass filters to protect the drivers from low-frequency content they should not be reproducing. For a two-channel application, the amplifier can be bridged to two 4-ohm loads for up to 400 watts per channel. Do not treat the bridged rating as a four-channel number, and do not wire a 2-ohm bridged load when MB Quart only publishes bridged power at 4 ohms.\u003c\/p\u003e\u003cp\u003eBoth channel pairs have switchable high-pass, full-range, and low-pass operation with 45 Hz–850 Hz filter adjustment. That gives the amp useful basic crossover control for door speakers and midbass, but a complex active front stage still belongs on a DSP when it needs crossover points above 850 Hz, time alignment, detailed EQ, or more precise filter slopes.\u003c\/p\u003e\u003ch3\u003eFactory Signal Considerations\u003c\/h3\u003e\u003cp\u003eHigh-level speaker inputs are built in, which can simplify connection to some factory sources. That does not mean every factory radio can be connected directly and called finished. If the OEM system has factory EQ, bass roll-off, all-pass filters, active crossovers, or channels that need to be summed, the signal needs to be evaluated and integrated correctly before the amplifier is installed.\u003c\/p\u003e\u003ch3\u003eOpen-Box Closeout\u003c\/h3\u003e\u003cp\u003eThis listing is for the open-box PA1-800.4 closeout, not a standard new-retail listing. Buy this version when the amplifier itself is the right match for the system and the open-box condition makes sense for the budget. This is a final-sale closeout item, so the system planning should be done before purchase rather than using the lower price as the reason to oversize or mismatch the amplifier.\u003c\/p\u003e\u003ch3\u003eManufacturer Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003ePA1-800.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeries\u003c\/th\u003e\n\u003ctd\u003ePremium Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAmplifier class\u003c\/th\u003e\n\u003ctd\u003eFull-range Class D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eChannels\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished power at 4 ohms\u003c\/th\u003e\n\u003ctd\u003e100 watts × 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished power at 2 ohms\u003c\/th\u003e\n\u003ctd\u003e200 watts × 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePublished bridged power at 4 ohms\u003c\/th\u003e\n\u003ctd\u003e400 watts × 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHigh-pass filter\u003c\/th\u003e\n\u003ctd\u003e45 Hz–850 Hz, 12 dB\/octave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLow-pass filter\u003c\/th\u003e\n\u003ctd\u003e45 Hz–850 Hz, 12 dB\/octave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLow-level input range\u003c\/th\u003e\n\u003ctd\u003e0.3–5.5 volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHigh-level input range\u003c\/th\u003e\n\u003ctd\u003e2.8–40 volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e10 Hz–30 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSignal-to-noise ratio\u003c\/th\u003e\n\u003ctd\u003eGreater than 102 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTHD\u003c\/th\u003e\n\u003ctd\u003e1.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower and ground terminal\u003c\/th\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpeaker terminal\u003c\/th\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eExternal fuse requirement\u003c\/th\u003e\n\u003ctd\u003e80 amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAmplifier dimensions\u003c\/th\u003e\n\u003ctd\u003e5.81 × 4.45 × 2.0 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManufacturer Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLow-noise preamplifier circuit\u003c\/li\u003e\n\u003cli\u003eTwo pairs of nickel-plated RCA inputs\u003c\/li\u003e\n\u003cli\u003eHigh-level speaker input capability\u003c\/li\u003e\n\u003cli\u003ePWM MOSFET power supply\u003c\/li\u003e\n\u003cli\u003eExtruded aluminum heat sink with built-in fan cooling\u003c\/li\u003e\n\u003cli\u003eThermal, overload, DC and speaker-short protection diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MB Quart","offers":[{"title":"Default Title","offer_id":51431628505321,"sku":"PA1-800-4-2-OB","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/rn-image_picker_lib_temp_f7709205-42f2-4996-b5bf-86e6b274f203.png?v=1780963972"},{"product_id":"arc-audio-nighthawk-2-channel-amplifier","title":"ARC Audio Nighthawk 2-Channel Class-D Amplifier","description":"\u003ch2\u003eARC Audio Nighthawk 2-Channel Class-D Amplifier\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eYou already solved the signal and tuning. Now one part of the system simply needs more clean power.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThat is the job ARC Audio built the Nighthawk to do. It is a reference-class, full-range two-channel Class-D amplifier with no built-in DSP, designed to expand a properly processed system without adding another layer of routing, conversion or tuning that the build does not need.\u003c\/p\u003e\u003cp\u003eARC specifically positions it as the natural companion to DSP amplifiers like the Blackbird, but Nighthawk is not locked into one ARC system. It can run midbass, full-range speakers or a subwoofer section, and it can work as a standalone amplifier anywhere the system needs strong, low-distortion two-channel power.\u003c\/p\u003e\u003ch3\u003eSometimes the problem is not tuning. It is headroom.\u003c\/h3\u003e\u003cp\u003eA DSP can fix timing, crossover behavior, phase and frequency response. It cannot create amplifier headroom that is not there.\u003c\/p\u003e\u003cp\u003eIf an active front stage is tuned correctly but the midbass starts running out of authority when volume comes up, adding more EQ is not the answer. If the DSP amp is handling the front stage perfectly but the subwoofer section needs substantially more power, replacing the entire electronics package is not the answer either.\u003c\/p\u003e\u003cp\u003eNighthawk gives us \u003cstrong\u003e250 watts × 2 at 4 ohms\u003c\/strong\u003e or \u003cstrong\u003e400 watts × 2 at 2 ohms\u003c\/strong\u003e. Bridge the two channels and ARC rates it at \u003cstrong\u003e800 watts × 1 into 4 ohms\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat that solves:\u003c\/strong\u003e we can add output exactly where the system is running out of muscle while leaving the part that is already working alone.\u003c\/p\u003e\u003ch3\u003eMidbass is one of the places Nighthawk really makes sense.\u003c\/h3\u003e\u003cp\u003eStrong front-stage midbass needs more than a low crossover point. The speaker needs enough amplifier headroom to reproduce kick drums and lower-midrange transients without the amplifier becoming the bottleneck.\u003c\/p\u003e\u003cp\u003eRun Nighthawk as a stereo amplifier and each side gets its own high-power channel. That can be a very clean way to take midbass duty away from a multi-channel DSP amplifier while still letting the DSP handle every crossover, delay, EQ and phase decision upstream.\u003c\/p\u003e\u003cp\u003eThe customer gets more physical impact from the front stage without changing the tonal balance or system architecture that already works.\u003c\/p\u003e\u003ch3\u003eNeed one strong subwoofer channel? Bridge it.\u003c\/h3\u003e\u003cp\u003eNighthawk is fully bridgeable and CTA-2006 rated for 800 watts into a 4-ohm mono load. That makes it useful when the Blackbird or another processor is already providing the subwoofer signal and the only missing piece is the amplifier power to drive the woofer correctly.\u003c\/p\u003e\u003cp\u003eBecause Nighthawk is full-range from 10 Hz to 32 kHz, it is not a bass-only amplifier pretending to be versatile. The same chassis can legitimately be used on subwoofers, midbass or full-range high-demand speakers depending on how the system is designed.\u003c\/p\u003e\u003ch3\u003eBlackbird + Nighthawk is a clean hybrid system for a reason.\u003c\/h3\u003e\u003cp\u003eThe \u003ca href=\"\/products\/arc-audio-blackbird-8-channel-dsp-amplifier\"\u003eARC Audio Blackbird\u003c\/a\u003e gives us twelve processed outputs—eight amplified and four RCA. Those RCA outputs are exactly where an expansion amplifier like Nighthawk fits.\u003c\/p\u003e\u003cp\u003eBlackbird can keep control of the crossover, EQ, delay, phase and routing while Nighthawk handles the higher-current job. That keeps the system under one tuning strategy instead of stacking processors or building a second signal path just to add power.\u003c\/p\u003e\u003cp\u003eThe matching Blackbird\/Nighthawk chassis also makes physical integration cleaner when both amplifiers share the same rack or installation area.\u003c\/p\u003e\u003ch3\u003eReference-class here means more than “it gets loud.”\u003c\/h3\u003e\u003cp\u003eNighthawk puts the emphasis on low distortion, headroom, clarity and control. The amplifier is CTA-2006 compliant and conservatively rated, following ARC’s under-promise\/over-deliver philosophy rather than relying on inflated marketing power.\u003c\/p\u003e\u003cp\u003eThat matters when the amplifier is being used on midbass or full-range speakers. The goal is not simply to make more watts. It is to add power without throwing away the detail, dynamics and control the rest of the system was built to achieve.\u003c\/p\u003e\u003ch3\u003eBuilt for modern vehicle electrical systems.\u003c\/h3\u003e\u003cp\u003eNighthawk supports start-stop operation down to 4.6 volts and is designed for operation across the wide voltage conditions found in real vehicles. ARC also publishes a thermal operating range from -4°F to 180°F.\u003c\/p\u003e\u003cp\u003eBalanced differential inputs help reject common electrical noise, and selectable stereo\/mono operation gives the installer flexibility when the source configuration changes. ARC’s high-current speaker connection system keeps the output connections compact and secure.\u003c\/p\u003e\u003cp\u003eThose details are why the amplifier can make sense outside a traditional car as well. ARC specifically positions Nighthawk for automotive, motorcycle, marine and powersports systems where compact packaging and reliable high-output operation both matter.\u003c\/p\u003e\u003ch3\u003eNighthawk or a bigger DSP amplifier?\u003c\/h3\u003e\u003cp\u003eIf the system actually needs more processing channels, then moving to something like the \u003ca href=\"\/products\/arc-audio-falcon-12-channel-dsp-amplifier\"\u003eARC Audio Falcon\u003c\/a\u003e may be the cleaner architecture.\u003c\/p\u003e\u003cp\u003eIf the DSP already has enough outputs and the only problem is that one section needs more amplifier power, Nighthawk is the smarter answer. Do not buy another DSP just to get watts you could add directly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe result:\u003c\/strong\u003e Nighthawk lets us keep a good system design intact and add reference-class power exactly where the speakers or subwoofer need more headroom.\u003c\/p\u003e\u003ch2\u003eManufacturer Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier type:\u003c\/strong\u003e Full-range Class D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 2, fully bridgeable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStereo power at 4 ohms:\u003c\/strong\u003e 250 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStereo power at 2 ohms:\u003c\/strong\u003e 400 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged power at 4 ohms:\u003c\/strong\u003e 800 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRating standard:\u003c\/strong\u003e CTA-2006 compliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e 10 Hz–32 kHz (-3 dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput type:\u003c\/strong\u003e Balanced differential\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating configuration:\u003c\/strong\u003e Selectable stereo or mono\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart\/stop compatibility:\u003c\/strong\u003e Supports operating voltage down to 4.6 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e -4°F to 180°F (-20°C to 82°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Subwoofer, midbass or full-range amplification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis:\u003c\/strong\u003e Matching industrial design and footprint to ARC Audio Blackbird\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARC Audio","offers":[{"title":"Default Title","offer_id":51458153349353,"sku":"NIGHTHAWK","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/nighthawk-01__1__61219.1745357075.jpg?v=1787450240"},{"product_id":"arc-audio-x2-amplifiers","title":"ARC Audio X2 Series Class-D Amplifiers","description":"\u003ch2\u003eARC Audio X2 Series Amplifiers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eThe X2 amplifier line is ARC Audio’s answer to a very practical problem: not every good system needs a reference-priced amplifier, but it still needs clean power, real integration options and an amplifier chosen around the system instead of around a marketing number.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThat is why this family ranges from a compact four-channel amp all the way to a 2,500-watt mono block and an eight-channel DSP amplifier. They share ARC’s efficient Class-D philosophy and installer-minded design, but each model is built around a different system architecture.\u003c\/p\u003e\u003cp\u003eThe correct way to shop X2 is not “which one has the most watts?” It is: how many speakers need power, what impedance will they present, does the system need a dedicated sub channel, does the factory radio stay, and does DSP need to live inside the amplifier?\u003c\/p\u003e\u003ch3\u003eX2 450.4 — the affordable ARC four-channel foundation.\u003c\/h3\u003e\u003cp\u003eThe 450.4 is the entry point, but ARC’s own description is clear: entry-level does not mean throwaway. It is built for the customer who wants a legitimate amplifier upgrade over factory power without buying more chassis, current draw or tuning complexity than the system needs.\u003c\/p\u003e\u003cp\u003eARC rates it at \u003cstrong\u003e85 watts × 4 at 4 ohms\u003c\/strong\u003e and \u003cstrong\u003e125 watts × 4 at 2 ohms\u003c\/strong\u003e, with the ability to bridge it to \u003cstrong\u003e250 watts × 2 at 4 ohms\u003c\/strong\u003e. That makes it useful for front\/rear coaxials, passive component sets, four active channels, or a smaller two-channel high-power configuration.\u003c\/p\u003e\u003cp\u003eThe efficient Class-D platform keeps heat and electrical demand reasonable, which matters in modern vehicles where amplifier space and charging-system headroom are not unlimited. The removable top panel hides tuning controls and terminal screws after setup, and ARC’s rotatable badge lets the finished installation look right regardless of amplifier orientation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the 450.4 when:\u003c\/strong\u003e four honest channels solve the system and spending more money on amplifier capacity the speakers will never use does not improve the build.\u003c\/p\u003e\u003ch3\u003eX2 600.4 — the four-channel model when the system needs more headroom and more configuration freedom.\u003c\/h3\u003e\u003cp\u003eThe 600.4 is not simply a stronger 450.4. ARC gives it an impedance-switching output stage that delivers \u003cstrong\u003e150 watts × 4 at either 4 or 2 ohms\u003c\/strong\u003e, along with full bridging and adjustable bandpass capability on channels 3–4.\u003c\/p\u003e\u003cp\u003eThat means we can use it as a conventional four-channel amplifier, bi-amp a component system, create a three-channel configuration with a bridged section, or bridge both channel pairs for high-power stereo. The load-select architecture is there so the amplifier can optimize its rail voltage around the actual speaker impedance rather than wasting power as heat.\u003c\/p\u003e\u003cp\u003eThis is also the model we look at when midbass or higher-output speakers need more authority. More amplifier headroom lets those drivers reproduce transients without the amp becoming the ceiling every time the kick drum hits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the 600.4 when:\u003c\/strong\u003e the system still needs four-channel simplicity, but the speakers or system architecture justify 150-watt-class channels and the extra crossover\/bridging flexibility.\u003c\/p\u003e\u003ch3\u003eX2 850.5 — one amplifier for four speakers and a sensible subwoofer.\u003c\/h3\u003e\u003cp\u003eFive-channel amplifiers solve a packaging problem better than almost anything else when the system architecture is conventional: front speakers, rear speakers and one subwoofer section.\u003c\/p\u003e\u003cp\u003eThe X2 850.5 gives us \u003cstrong\u003e85×4 at 4 ohms or 125×4 at 2 ohms\u003c\/strong\u003e for the full-range channels, plus a dedicated subwoofer channel rated at \u003cstrong\u003e225 watts at 4 ohms or 400 watts at 2 ohms\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eARC’s reason for this model is simplicity without throwing away integration quality. Balanced differential inputs allow it to work in aftermarket systems or properly designed factory-radio upgrades, while putting all five channels in one chassis reduces power wiring, signal wiring, mounting space and the number of connections that can become a future service issue.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the 850.5 when:\u003c\/strong\u003e the customer wants a clean daily-driver system with one amplifier, moderate sub power and no reason to stack a separate four-channel plus mono amp.\u003c\/p\u003e\u003ch3\u003eX2 1100.5 — the one-chassis system when the speakers and sub need more.\u003c\/h3\u003e\u003cp\u003eThe 1100.5 takes the same whole-system idea and gives it substantially more headroom. Channels 1–4 deliver \u003cstrong\u003e150 watts each at either 4 or 2 ohms\u003c\/strong\u003e, and the dedicated sub channel produces \u003cstrong\u003e275 watts at 4 ohms or 500 watts at 2 ohms\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eARC also gives the main amplifier section more configuration control. Bandpass crossover capability and bridging options let the 1100.5 work in hybrid and bi-amplified layouts instead of limiting it to “four coaxials plus a sub.”\u003c\/p\u003e\u003cp\u003eFor us, this is the five-channel model when the front stage is too serious for 85-watt channels but the customer still values a single-amplifier rack. A good set of components can have real headroom, the sub gets its own dedicated power, and the wiring stays cleaner than a two-amplifier solution.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the 1100.5 when:\u003c\/strong\u003e you want the packaging advantage of one amplifier without asking stronger front-stage speakers to live on entry-level channel power.\u003c\/p\u003e\u003ch3\u003eX2 1200.6 — six-channel active-system flexibility.\u003c\/h3\u003e\u003cp\u003eThe 1200.6 is the X2 amplifier for system designers. A fully active three-way front stage needs six amplified channels before rear fill or a subwoofer ever enters the conversation, and this chassis gives us those six channels without forcing the system around a fixed high-power pair.\u003c\/p\u003e\u003cp\u003eARC’s current published output is \u003cstrong\u003e150 watts × 6 at either 2 or 4 ohms.\u003c\/strong\u003e The six-channel platform is fully bridgeable, giving the installer flexibility to combine channel pairs when the system needs fewer channels with more output.\u003c\/p\u003e\u003cp\u003eThat equal six-channel output is useful in an active system because channel assignment can follow the speaker layout instead of a fixed high-power pair. Channel pairs can also be bridged where the system needs fewer channels with more output. ARC gives the platform adjustable bandpass crossover capability, while allowing those controls to be bypassed when a DSP is already handling the signal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the 1200.6 when:\u003c\/strong\u003e six channels are the actual system requirement and you want equal 150-watt-class output across all six channels with bridging flexibility available for alternate system layouts.\u003c\/p\u003e\u003ch3\u003eX2 650.1 — dedicated bass power without overbuilding the electrical system.\u003c\/h3\u003e\u003cp\u003eThe 650.1 is a purpose-built low-frequency amplifier, not a full-range amp with a low-pass switch added later. ARC limits its working bandwidth to the bass region so the amplifier is designed around subwoofer and low-frequency duty.\u003c\/p\u003e\u003cp\u003eIt delivers \u003cstrong\u003e185 watts at 4 ohms, 350 watts at 2 ohms and 650 watts at 1 ohm\u003c\/strong\u003e. That puts it in the sweet spot for a single daily-driver subwoofer or a moderate multi-sub system that does not need four-digit power.\u003c\/p\u003e\u003cp\u003eARC also makes the 650.1 strappable. Two amplifiers can work together when the system later needs more low-frequency output, which gives a smaller build a scaling path without immediately buying the largest mono amp in the lineup.\u003c\/p\u003e\u003cp\u003eBalanced differential inputs make factory-system integration easier, and the compact Level 1 chassis keeps the amplifier practical for stealth installations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the 650.1 when:\u003c\/strong\u003e the subwoofer needs its own amp, but 1,100 or 2,500 watts would create more electrical, wiring and cost problems than the bass system actually requires.\u003c\/p\u003e\u003ch3\u003eX2 1100.1 — serious daily bass with room to scale.\u003c\/h3\u003e\u003cp\u003eThe 1100.1 steps up to \u003cstrong\u003e350 watts at 4 ohms, 600 watts at 2 ohms and 1,100 watts at 1 ohm\u003c\/strong\u003e. ARC specifically builds it for subwoofer and midbass applications with a frequency-limited low-frequency output range.\u003c\/p\u003e\u003cp\u003eThis is where a lot of stronger single-sub and dual-sub systems start making sense. There is enough power to get real output without automatically moving into the electrical demands of the 2500.1.\u003c\/p\u003e\u003cp\u003eARC also includes master\/slave strapping capability, allowing two 1100.1 amplifiers to operate together when a build needs to grow beyond one chassis. The Level 2 platform adds advanced supply filtering and upgraded output devices to maintain thermal efficiency and clean low-frequency control.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the 1100.1 when:\u003c\/strong\u003e the system needs real four-digit bass power, but the subwoofer load and electrical system do not justify jumping straight to the 2500.1.\u003c\/p\u003e\u003ch3\u003eX2 2500.1 — this is where the amplifier becomes an electrical-system decision.\u003c\/h3\u003e\u003cp\u003eThe 2500.1 is ARC’s high-output X2 mono amplifier: \u003cstrong\u003e900 watts at 4 ohms, 1,500 watts at 2 ohms and 2,500 watts at 1 ohm\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eARC builds it for serious daily bass and high-output systems where one amplifier needs to move a lot of subwoofer. The low-frequency-only design, advanced supply filtering and balanced inputs give it the control and integration features expected from the rest of the X2 family, but at this power level the amplifier cannot be chosen in isolation.\u003c\/p\u003e\u003cp\u003eA real 2,500-watt-class system needs the correct subwoofer impedance, enclosure, OFC power and ground, fuse strategy, battery reserve and charging capability. If those pieces are wrong, the amplifier number does not save the build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the 2500.1 when:\u003c\/strong\u003e the sub stage genuinely requires this level of power and the vehicle’s electrical system is being designed to support it—not because 2,500 is the biggest number in the dropdown.\u003c\/p\u003e\u003ch3\u003eX2 800.8 DSP — the X2 model that solves amplification, tuning and OEM integration at the same time.\u003c\/h3\u003e\u003cp\u003eThe 800.8 DSP is the outlier in the family because the real product is not just eight amplifier channels. ARC designed it exclusively with Robert Zeff as a compact all-in-one platform inspired by its flagship DSP products.\u003c\/p\u003e\u003cp\u003eIt gives us \u003cstrong\u003eeight bridgeable Class-D channels rated at 50 watts × 8 into 4 ohms or 85 watts × 8 into 2 ohms\u003c\/strong\u003e. Bridge the pairs and ARC’s current dealer sheet rates it at \u003cstrong\u003e170 watts × 4 into 4 ohms\u003c\/strong\u003e. On top of that, the processor controls \u003cstrong\u003e12 total outputs\u003c\/strong\u003e, with channels 9–12 available as processed RCA outputs for external amplification.\u003c\/p\u003e\u003cp\u003eThat is useful because eight internal channels can run tweeters, mids, midbass and rear speakers while an external mono or high-power amplifier still receives its crossover, EQ, delay, phase and routing from the same DNA tune.\u003c\/p\u003e\u003cp\u003eThe processing platform uses an Analog Devices ADAU1462 32-bit DSP with AKM Velvet Sound conversion. ARC’s DNA software gives us EQ, crossovers, time alignment, phase, summing and mixer routing plus four user presets. Balanced analog inputs accept RCA or speaker-level sources, while digital support extends to high-resolution coaxial S\/PDIF up to 192 kHz \/ 32-bit.\u003c\/p\u003e\u003cp\u003eOn supported vehicles, iDatalink Maestro AR integration lets the system retain factory-radio functionality while replacing the weak factory amplification and processing behind it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the 800.8 DSP when:\u003c\/strong\u003e the real problem is not simply “I need an amplifier.” The vehicle needs multiple amplified channels, active tuning, OEM integration and expansion in one compact chassis.\u003c\/p\u003e\u003ch3\u003eWhich X2 should we actually sell you?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eFour-channel daily upgrade:\u003c\/strong\u003e 450.4. \u003cstrong\u003eMore four-channel headroom and flexibility:\u003c\/strong\u003e 600.4.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOne amp for speakers + sub:\u003c\/strong\u003e 850.5 when the system is moderate; 1100.5 when the front stage and sub need more authority.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSix-channel active architecture:\u003c\/strong\u003e 1200.6.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDedicated bass:\u003c\/strong\u003e 650.1, 1100.1 or 2500.1 based on the actual subwoofer load, enclosure, output target and electrical system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAmplifier + DSP + OEM integration hub:\u003c\/strong\u003e 800.8 DSP.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe result:\u003c\/strong\u003e the X2 lineup lets us solve the system at the correct level instead of overspending in one area and creating a new problem somewhere else. Pick the architecture first, then pick the amplifier.\u003c\/p\u003e\u003ch2\u003eManufacturer Specifications\u003c\/h2\u003e\u003ch3\u003eX2 450.4\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4, bridgeable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 4 ohms:\u003c\/strong\u003e 85 watts × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 2 ohms:\u003c\/strong\u003e 125 watts × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged power at 4 ohms:\u003c\/strong\u003e 250 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e 20 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput sensitivity:\u003c\/strong\u003e 200 mV–3.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFusing:\u003c\/strong\u003e 2 × 25 A ATC\/ATO\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eX2 600.4\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4, bridgeable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 4 ohms:\u003c\/strong\u003e 150 watts × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 2 ohms:\u003c\/strong\u003e 150 watts × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged power at 4 ohms:\u003c\/strong\u003e 300 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e 20 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput sensitivity:\u003c\/strong\u003e 200 mV–3.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFusing:\u003c\/strong\u003e 2 × 30 A ATC\/ATO\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eX2 850.5\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-range power at 4 ohms:\u003c\/strong\u003e 85 watts × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-range power at 2 ohms:\u003c\/strong\u003e 125 watts × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-range bridged power at 4 ohms:\u003c\/strong\u003e 250 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer power at 4 ohms:\u003c\/strong\u003e 225 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer power at 2 ohms:\u003c\/strong\u003e 400 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-range frequency response:\u003c\/strong\u003e 20 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer frequency response:\u003c\/strong\u003e 20 Hz–230 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput sensitivity:\u003c\/strong\u003e 200 mV–3.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFusing:\u003c\/strong\u003e 3 × 30 A ATC\/ATO\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eX2 1100.5\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-range power at 4 ohms:\u003c\/strong\u003e 150 watts × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-range power at 2 ohms:\u003c\/strong\u003e 150 watts × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-range bridged power at 4 ohms:\u003c\/strong\u003e 300 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer power at 4 ohms:\u003c\/strong\u003e 275 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer power at 2 ohms:\u003c\/strong\u003e 500 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-range frequency response:\u003c\/strong\u003e 20 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer frequency response:\u003c\/strong\u003e 20 Hz–230 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput sensitivity:\u003c\/strong\u003e 200 mV–3.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFusing:\u003c\/strong\u003e 3 × 30 A ATC\/ATO\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eX2 1200.6\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 6, bridgeable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 4 ohms:\u003c\/strong\u003e 150 watts × 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 2 ohms:\u003c\/strong\u003e 150 watts × 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridgeable channel pairs:\u003c\/strong\u003e Yes; use ARC Audio’s current model-specific bridging guidance for the planned load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e 20 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput sensitivity:\u003c\/strong\u003e 200 mV–3.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFusing:\u003c\/strong\u003e 3 × 30 A ATC\/ATO\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eX2 650.1\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 4 ohms:\u003c\/strong\u003e 185 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 2 ohms:\u003c\/strong\u003e 350 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 1 ohm:\u003c\/strong\u003e 650 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-pass crossover:\u003c\/strong\u003e 30–230 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic filter:\u003c\/strong\u003e 10–80 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput sensitivity:\u003c\/strong\u003e 200 mV–3.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFusing:\u003c\/strong\u003e 2 × 30 A ATC\/ATO\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eX2 1100.1\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 4 ohms:\u003c\/strong\u003e 350 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 2 ohms:\u003c\/strong\u003e 600 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 1 ohm:\u003c\/strong\u003e 1,100 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-pass crossover:\u003c\/strong\u003e 30–230 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic filter:\u003c\/strong\u003e 10–80 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput sensitivity:\u003c\/strong\u003e 200 mV–3.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFusing:\u003c\/strong\u003e 3 × 30 A ATC\/ATO\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eX2 2500.1\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 4 ohms:\u003c\/strong\u003e 900 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 2 ohms:\u003c\/strong\u003e 1,500 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 1 ohm:\u003c\/strong\u003e 2,500 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-pass crossover:\u003c\/strong\u003e 30–230 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic filter:\u003c\/strong\u003e 10–80 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput sensitivity:\u003c\/strong\u003e 200 mV–3.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFusing:\u003c\/strong\u003e 6 × 30 A ATC\/ATO\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eX2 800.8 DSP\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplified channels:\u003c\/strong\u003e 8 bridgeable Class-D channels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 4 ohms:\u003c\/strong\u003e 50 watts × 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 2 ohms:\u003c\/strong\u003e 85 watts × 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged power at 4 ohms:\u003c\/strong\u003e 170 watts × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal DSP-controlled outputs:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels 9–12:\u003c\/strong\u003e DSP-controlled RCA outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDSP processor:\u003c\/strong\u003e Analog Devices ADAU1462, 32-bit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConversion:\u003c\/strong\u003e AKM Velvet Sound architecture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog inputs:\u003c\/strong\u003e 8 balanced differential inputs supporting RCA or speaker-level signal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital input:\u003c\/strong\u003e Optical S\/PDIF up to 96 kHz; coaxial S\/PDIF up to 192 kHz \/ 32-bit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDSP software:\u003c\/strong\u003e ARC Audio DNA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM integration:\u003c\/strong\u003e iDatalink Maestro AR compatible in supported applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser presets:\u003c\/strong\u003e Up to 4\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARC Audio","offers":[{"title":"4-Channel Amplifier — X2 450.4","offer_id":51458156855529,"sku":"X2 450.4","price":499.0,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — X2 600.4","offer_id":51707383808233,"sku":"X2 600.4","price":668.0,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 650W — X2 650.1","offer_id":51707383841001,"sku":"X2 650.1","price":568.0,"currency_code":"USD","in_stock":true},{"title":"8-Channel DSP Amplifier — X2 800.8 DSP","offer_id":51707383873769,"sku":"X2800.8 DSP","price":1049.0,"currency_code":"USD","in_stock":true},{"title":"5-Channel Amplifier — X2 850.5","offer_id":51707383906537,"sku":"X2 850.5","price":758.0,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 1100W — X2 1100.1","offer_id":51707383939305,"sku":"X2 1100.1","price":758.0,"currency_code":"USD","in_stock":true},{"title":"5-Channel Amplifier — X2 1100.5","offer_id":51707383972073,"sku":"X2 1100.5","price":968.0,"currency_code":"USD","in_stock":true},{"title":"6-Channel Amplifier — X2 1200.6","offer_id":51707384004841,"sku":"X2 1200.6","price":1088.0,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 2500W — X2 2500.1","offer_id":51707384037609,"sku":"X2 2500.1","price":1328.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/ArcAudioX22500.1MonoSubwooferAmplifier.jpg?v=1787450371"},{"product_id":"arc-audio-moto-800-4-channel-motorcycle-amplifier","title":"ARC Audio MOTO 800 4-Channel Powersports Amplifier","description":"\u003ch2\u003eARC Audio MOTO 800 4-Channel Amplifier\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eMotorcycle and powersports audio has a nasty combination of problems: almost no space, limited charging-system capacity, heat trapped inside tight fairings, wind and exhaust fighting the speakers, and an electrical environment where a noisy little amplifier can create problems all over the vehicle.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe MOTO 800 is ARC Audio’s answer to that whole package—not just a small amp that happens to fit on a bike. It puts more than 800 watts of total four-channel output into a compact motorcycle-specific chassis while keeping the low-distortion sound, signal-to-noise performance, thermal control and integration flexibility ARC expects from its car-audio amplifiers.\u003c\/p\u003e\u003cp\u003eARC specifically points out that this is what separates the MOTO 800 from many ultra-compact motorcycle and powersports amplifiers. Small size is easy. Making a small amplifier stay clean, efficient and stable when the bike is moving and the volume is up is the harder part.\u003c\/p\u003e\u003ch3\u003eEnough power to make the system work while the vehicle is actually moving.\u003c\/h3\u003e\u003cp\u003eARC rates the MOTO 800 at \u003cstrong\u003e180 watts × 4 into 4 ohms\u003c\/strong\u003e, \u003cstrong\u003e200 watts × 4 into 2 ohms\u003c\/strong\u003e, or \u003cstrong\u003e400 watts × 2 bridged into 4 ohms\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThat is the kind of output that makes sense with higher-efficiency motorcycle speakers like ARC’s MOTO CX6, CX69 and 602HD. Parked in the shop, almost any amplifier can make a speaker sound loud. The real test is what happens when wind, road noise and exhaust come up and the speaker needs enough clean headroom to stay intelligible.\u003c\/p\u003e\u003cp\u003eThe MOTO 800 gives us the power to build around that real listening environment without immediately jumping to a physically larger automotive amplifier that creates a mounting problem inside the fairing.\u003c\/p\u003e\u003ch3\u003eLoad Select lets us use the power where the system actually needs it.\u003c\/h3\u003e\u003cp\u003eEach channel pair has its own Load Select setting. That allows the amplifier to optimize its power-production strategy for the impedance connected to that pair instead of treating every speaker configuration the same.\u003c\/p\u003e\u003cp\u003eThat gives us useful system options. We can run four individual speakers, bridge both pairs for two high-output 4-ohm speakers, or build a mixed system where one pair powers full-range speakers while another pair is bridged into a 4-ohm load.\u003c\/p\u003e\u003cp\u003eARC specifically calls out side-by-side and automotive layouts where one pair of speakers needs full 4-ohm power and another section of the system uses a bridged load. That is why Load Select is not just another switch on the amp—it gives the installer a way to match the amplifier to the actual wiring strategy.\u003c\/p\u003e\u003ch3\u003e94% efficiency matters more on a motorcycle than it does on a spec sheet.\u003c\/h3\u003e\u003cp\u003eARC rates the MOTO 800 at \u003cstrong\u003e94% efficiency\u003c\/strong\u003e. That means more of the electrical energy pulled from the charging system becomes speaker power instead of heat.\u003c\/p\u003e\u003cp\u003eOn a bike or side-by-side, that matters immediately. The charging system may already be supporting lighting, fuel injection, accessories and the rest of the vehicle electronics. Wasting current as amplifier heat can turn into voltage problems, thermal shutdown or a system that only works properly under ideal conditions.\u003c\/p\u003e\u003cp\u003eARC also says advances in the MOTO 800 power-supply design and components reduce EMI and RFI noise production. In an installation surrounded by radios, antennas and vehicle electronics, keeping switching noise under control is part of making the amplifier behave like a professional piece of equipment instead of just making power.\u003c\/p\u003e\u003ch3\u003eFactory or aftermarket signal—either way, there is a proper way in.\u003c\/h3\u003e\u003cp\u003eThe MOTO 800 uses ARC’s proven quick-connect input plugs, the same basic connection format used through its motorcycle ecosystem. The connectors work with the supplied RCA input dongles and are compatible with ARC MPAK and PSM-Pro wiring strategies.\u003c\/p\u003e\u003cp\u003eFront-panel input-range switches let the installer choose between low-level and speaker-level operation. ARC specifies \u003cstrong\u003e200 mV–4 V\u003c\/strong\u003e sensitivity in low-level mode and \u003cstrong\u003e600 mV–14 V\u003c\/strong\u003e in high-level mode, with independent sensitivity adjustment for each channel pair.\u003c\/p\u003e\u003cp\u003eThat gives us a clean path whether the bike has an aftermarket source, a retained factory radio or a processor upstream. We do not need to invent an integration scheme just because the source does not have conventional RCAs.\u003c\/p\u003e\u003ch3\u003eThe crossover section is there to make the speakers survive and perform better.\u003c\/h3\u003e\u003cp\u003eEach channel pair has defeatable high-pass and low-pass filtering adjustable from \u003cstrong\u003e50–500 Hz\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eFor fairing speakers, the high-pass filter is often the important one. Asking a 6.5-inch motorcycle speaker to reproduce deep bass it physically cannot use wastes amplifier power and excursion. Set the high-pass correctly and more of the speaker’s movement is available for the midbass, vocals and upper range that actually have to fight through road noise.\u003c\/p\u003e\u003cp\u003eARC specifically references the MOTO CX6, CX69 and 602HD as speakers whose performance can be optimized with the MOTO 800’s high-pass section.\u003c\/p\u003e\u003ch3\u003eThe cooling system is active because a fairing is not a friendly thermal environment.\u003c\/h3\u003e\u003cp\u003eAn internal fan is controlled by the amplifier’s microprocessor. The processor monitors amplifier operation across multiple zones and manages cooling as conditions change.\u003c\/p\u003e\u003cp\u003eThat same microprocessor also provides diagnostic fault codes through the amplifier’s indicator lights. If the installation has a shorted speaker cable, damaged speaker or another operating fault, the flash sequence gives the installer useful information instead of reducing the diagnosis to “the amp shut off.”\u003c\/p\u003e\u003cp\u003eFor us, that is a serviceability feature. A system hidden inside a motorcycle fairing should be diagnosable without tearing half the bike apart just to guess at the problem.\u003c\/p\u003e\u003ch3\u003eWeather-resistant does not mean waterproof—and ARC actually tells you the difference.\u003c\/h3\u003e\u003cp\u003eThe MOTO 800 main circuit board receives \u003cstrong\u003etwo conformal-coating layers\u003c\/strong\u003e to protect against high humidity and incidental water exposure such as riding in rain. ARC enlarged the top accent panel to cover panel gaps, tightened those gaps, and uses upgraded speaker terminal blocks that route moisture away from the circuit board.\u003c\/p\u003e\u003cp\u003eThose are meaningful motorcycle-specific protections. ARC still explicitly says the amplifier is \u003cstrong\u003enot waterproof\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThat is exactly how we treat it during installation: choose a protected location and let the environmental engineering provide another layer of protection, rather than mounting the amp where it will be directly soaked and assuming conformal coating makes the laws of electricity disappear.\u003c\/p\u003e\u003ch3\u003eIt says MOTO on it, but the footprint solves automotive problems too.\u003c\/h3\u003e\u003cp\u003eAt roughly \u003cstrong\u003e8.125 × 5.5 inches\u003c\/strong\u003e, the chassis is small enough for motorcycle fairings, but ARC also specifically points to under-seat exotic-car installations, behind-seat truck systems and side-by-side builds.\u003c\/p\u003e\u003cp\u003eThat makes the MOTO 800 useful anywhere the system needs four strong channels and the amplifier location is the problem. You do not need to own a motorcycle to benefit from the power density, efficiency and environmental construction.\u003c\/p\u003e\u003ch3\u003eWhy we would choose it instead of a generic compact amp.\u003c\/h3\u003e\u003cp\u003eIf the only requirement is “make four speakers louder for as little money as possible,” there are cheaper amplifiers.\u003c\/p\u003e\u003cp\u003eThe MOTO 800 makes sense when the customer wants the amplifier to stay clean at high output, use limited electrical capacity efficiently, fit a difficult location, integrate cleanly with factory or aftermarket signal, survive an open-environment installation and give us useful diagnostics if something goes wrong later.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe result:\u003c\/strong\u003e a compact amp that was actually engineered around the problems motorcycles and powersports vehicles create—not a normal car amp shrunk down until it happens to fit.\u003c\/p\u003e\u003ch2\u003eManufacturer Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier type:\u003c\/strong\u003e Full-range Class D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated power at 4 ohms:\u003c\/strong\u003e 180 watts RMS × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated power at 2 ohms:\u003c\/strong\u003e 200 watts RMS × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged power at 4 ohms:\u003c\/strong\u003e 400 watts RMS × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad configuration:\u003c\/strong\u003e Independent Load Select control for each channel pair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-level input sensitivity:\u003c\/strong\u003e 200 mV–4 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-level input sensitivity:\u003c\/strong\u003e 600 mV–14 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-pass crossover:\u003c\/strong\u003e 50–500 Hz, defeatable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-pass crossover:\u003c\/strong\u003e 50–500 Hz, defeatable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurn-on detection:\u003c\/strong\u003e DC-offset and signal detection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 94%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Microprocessor-controlled internal fan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e Microprocessor-monitored fault-code indicator system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental protection:\u003c\/strong\u003e Dual conformal coating and moisture-resistant construction; not waterproof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower and ground connections:\u003c\/strong\u003e Accept up to 8-AWG cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFootprint:\u003c\/strong\u003e 8.125 × 5.5 in.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARC Audio","offers":[{"title":"Default Title","offer_id":51458167210217,"sku":"MOTO 800","price":758.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/arc-audio-moto-800-transparent-2000_1cbcfbd5-bd50-479d-85ea-3fe87d0da188.png?v=1787455655"},{"product_id":"kicker-lx-premium-amplifiers","title":"KICKER LX Premium Amplifiers — Mono, 4, 5 \u0026 7-Channel Models","description":"\u003ch2\u003eKICKER LX Premium Amplifiers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eThe LX line is for the system where amplifier choice is part of the design—not just a wattage number.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKICKER built seven LX models around four different jobs: a four-channel front\/rear or active-stage amplifier, two whole-system multi-channel amplifiers, and four monoblocks that scale from an 850-watt daily bass section to a 3,000-watt high-output sub stage. They share the same premium Class-D platform, FIT+ differential inputs, gain-match tools, thermal\/protection architecture and finished LX chassis, but they do not solve the same system problem.\u003c\/p\u003e\u003cp\u003eThe way we choose one at SMS is straightforward: count the channels first, decide how much power the actual speakers and subwoofers need, then choose the smallest LX that completes the system without creating a second problem somewhere else.\u003c\/p\u003e\u003ch3\u003eLX500.4 — four strong full-range channels.\u003c\/h3\u003e\u003cp\u003eChoose the LX500.4 when the system needs four premium full-range channels and no dedicated sub channel in the same chassis. KICKER rates it at 125 watts × 4 at 4 ohms, 225 watts × 4 at 2 ohms or 450 watts × 2 bridged at 4 ohms.\u003c\/p\u003e\u003cp\u003eThat makes it useful for a strong passive-component system, front\/rear speakers, high-output motorcycle\/powersports speakers or a layout where two bridged channel pairs are more useful than four independent channels. The included LX Control Center gives us crossover, gain, timing and diagnostic control without turning amplifier setup into guesswork.\u003c\/p\u003e\u003ch3\u003eLX1200.5 — one amplifier for four speakers and a serious sub.\u003c\/h3\u003e\u003cp\u003eThe LX1200.5 is the clean one-chassis answer when the build needs four full-range channels plus a dedicated subwoofer channel. The main section produces 125 watts × 4 at 4 ohms or 175 watts × 4 at 2 ohms, while the sub section delivers up to 700 watts at 1 ohm.\u003c\/p\u003e\u003cp\u003eChoose it when a conventional front\/rear\/sub architecture covers the whole vehicle and keeping the rack simple matters. KICKER includes both the LX Control Center and LX Remote Control, so the full-range setup and day-to-day bass control stay integrated into the same amplifier platform.\u003c\/p\u003e\u003ch3\u003eLX1300.7 — the one-chassis amplifier for higher channel-count systems.\u003c\/h3\u003e\u003cp\u003eThe LX1300.7 makes sense when five channels are not enough but you still want to avoid stacking multiple amplifiers. It gives us four stronger full-range channels, an additional 65-watt stereo pair and a dedicated sub channel rated up to 700 watts at 1 ohm.\u003c\/p\u003e\u003cp\u003eThat extra stereo pair is the reason to buy it. A system can use the main four channels for front\/rear or midbass duty, the 65-watt pair for tweeters, mids or another lower-power section, and the mono channel for the subwoofer. It is not simply an LX1200.5 with two extra terminals—the added pair changes what we can build from one chassis.\u003c\/p\u003e\u003ch3\u003eLX850.1 — premium mono power without overbuilding the bass system.\u003c\/h3\u003e\u003cp\u003eChoose the LX850.1 when the subwoofer section needs a real dedicated monoblock but 1,250, 1,650 or 3,000 watts would be unnecessary. KICKER rates it at 300 watts at 4 ohms, 500 watts at 2 ohms and 850 watts at 1 ohm.\u003c\/p\u003e\u003cp\u003eThis is the LX mono model we look at for a moderate single-sub or efficient daily-driver bass system where the premium controls and integration matter but the driver does not need four-digit power.\u003c\/p\u003e\u003ch3\u003eLX1250.1 — the first four-digit LX mono step.\u003c\/h3\u003e\u003cp\u003eThe LX1250.1 moves the line to 1,250 watts at 1 ohm, with 750 watts at 2 ohms and 400 watts at 4 ohms. It fits stronger single-sub and moderate dual-sub systems where the LX850.1 would leave useful output on the table but the larger 1650.1 or 3000.1 would be unnecessary.\u003c\/p\u003e\u003cp\u003eThis is often the smarter jump when the subwoofer rating and enclosure want around a kilowatt-plus—not simply because it sits above the 850.1 in the lineup.\u003c\/p\u003e\u003ch3\u003eLX1650.1 — more bass headroom without jumping to the flagship.\u003c\/h3\u003e\u003cp\u003eChoose the LX1650.1 when the low-frequency section genuinely benefits from more than 1,250 watts but does not need the size and output class of the LX3000.1. KICKER rates it at 550 watts at 4 ohms, 1,000 watts at 2 ohms and 1,650 watts at 1 ohm.\u003c\/p\u003e\u003cp\u003eThat makes it a natural fit for higher-power single drivers and dual-sub systems where roughly 1,500-watt-class output is the actual target.\u003c\/p\u003e\u003ch3\u003eLX3000.1 — the flagship when the sub stage is built around 3,000 watts.\u003c\/h3\u003e\u003cp\u003eThe LX3000.1 is the high-output monoblock in the family: 1,100 watts at 4 ohms, 2,000 watts at 2 ohms and 3,000 watts at 1 ohm, with 3,800 watts of published dynamic power.\u003c\/p\u003e\u003cp\u003eThis is not the default answer just because it is the biggest model. A 3,000-watt bass section changes the rest of the build, so the subwoofers, enclosure and vehicle electrical system need to justify the amplifier. If the system target is 850, 1,250 or 1,650 watts, one of the smaller LX monoblocks is usually the cleaner design.\u003c\/p\u003e\u003ch3\u003eWhat all LX models share.\u003c\/h3\u003e\u003cp\u003eKICKER’s FIT+ differential input architecture accepts low- and high-level signal up to 40 volts, which gives us a broad path for aftermarket or properly integrated factory-radio systems. Gain-match indicators help set the amplifier around the source signal, while the Class-D platform keeps the chassis efficient and manageable for real vehicle installations.\u003c\/p\u003e\u003cp\u003eAll LX models use the reversible center panel and selectable RGB accent lighting. Multi-channel models include the wired LX Control Center for setup and diagnostics. Models with a dedicated mono bass section include the LX Remote Control with SHOCwave2.0 bass restoration and bass-level control.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe result:\u003c\/strong\u003e choose LX500.4 for four premium full-range channels, LX1200.5 for a conventional four-speaker-plus-sub system, LX1300.7 when the system needs the extra stereo pair, and choose the 850.1 \/ 1250.1 \/ 1650.1 \/ 3000.1 by the actual subwoofer power target. The right LX is the one that fits the system map—not the one with the largest number.\u003c\/p\u003e\u003ch2\u003eManufacturer Specifications\u003c\/h2\u003e\u003ch3\u003eLX500.4\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4-ohm stereo: 125 W × 4 RMS\u003c\/li\u003e\n\u003cli\u003e2-ohm stereo: 225 W × 4 RMS\u003c\/li\u003e\n\u003cli\u003e4-ohm bridged: 450 W × 2 RMS\u003c\/li\u003e\n\u003cli\u003eIncluded controller: LX Control Center\u003c\/li\u003e\n\u003cli\u003eDimensions: 2-3\/8 × 8-7\/16 × 9-7\/16 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLX1200.5\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFull-range, 4 ohms: 125 W × 4 RMS\u003c\/li\u003e\n\u003cli\u003eFull-range, 2 ohms: 175 W × 4 RMS\u003c\/li\u003e\n\u003cli\u003eSub channel: 300 W @ 4 ohms \/ 550 W @ 2 ohms \/ 700 W @ 1 ohm\u003c\/li\u003e\n\u003cli\u003eIncluded controls: LX Control Center + LX Remote Control\u003c\/li\u003e\n\u003cli\u003eDimensions: 2-3\/8 × 8-7\/16 × 12-5\/8 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLX1300.7\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMain full-range section, 4 ohms: 125 W × 4 RMS\u003c\/li\u003e\n\u003cli\u003eMain full-range section, 2 ohms: 150 W × 4 RMS\u003c\/li\u003e\n\u003cli\u003eAdditional stereo pair: 65 W × 2 at 4 or 2 ohms\u003c\/li\u003e\n\u003cli\u003eSub channel: 300 W @ 4 ohms \/ 550 W @ 2 ohms \/ 700 W @ 1 ohm\u003c\/li\u003e\n\u003cli\u003eIncluded controls: LX Control Center + LX Remote Control\u003c\/li\u003e\n\u003cli\u003eDimensions: 2-3\/8 × 8-7\/16 × 12-5\/8 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLX850.1\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4 ohms: 300 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003e2 ohms: 500 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003e1 ohm: 850 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003eIncluded control: LX Remote Control\u003c\/li\u003e\n\u003cli\u003eDimensions: 2-3\/8 × 8-7\/16 × 9-7\/16 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLX1250.1\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4 ohms: 400 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003e2 ohms: 750 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003e1 ohm: 1,250 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003eIncluded control: LX Remote Control\u003c\/li\u003e\n\u003cli\u003eDimensions: 2-3\/8 × 8-7\/16 × 9-7\/16 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLX1650.1\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4 ohms: 550 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003e2 ohms: 1,000 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003e1 ohm: 1,650 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003eIncluded control: LX Remote Control\u003c\/li\u003e\n\u003cli\u003eDimensions: 2-3\/8 × 8-7\/16 × 9-7\/16 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLX3000.1\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4 ohms: 1,100 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003e2 ohms: 2,000 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003e1 ohm: 3,000 W × 1 RMS\u003c\/li\u003e\n\u003cli\u003eDynamic power: 3,800 W\u003c\/li\u003e\n\u003cli\u003eIncluded control: LX Remote Control\u003c\/li\u003e\n\u003cli\u003eDimensions: 2-3\/8 × 8-7\/16 × 12-5\/8 in.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kicker","offers":[{"title":"7-Channel Amplifier — LX1300.7","offer_id":51458383085801,"sku":"51LX13007","price":949.99,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 3000W — LX3000.1","offer_id":51707475853545,"sku":"51LX30001","price":899.99,"currency_code":"USD","in_stock":true},{"title":"5-Channel Amplifier — LX1200.5","offer_id":51707475886313,"sku":"51LX12005","price":849.99,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 1650W — LX1650.1","offer_id":51707475919081,"sku":"51LX16501","price":699.99,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 1250W — LX1250.1","offer_id":51707475951849,"sku":"51LX12501","price":599.99,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — LX500.4","offer_id":51707475984617,"sku":"51LX5004","price":599.99,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 850W — LX850.1","offer_id":51707476017385,"sku":"51LX8501","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/kicker-lx13007-front_ac93d3c8-8d79-4ae4-a81d-c97e2640ecd1.jpg?v=1782709049"},{"product_id":"kicker-pxa-waterproof-amplifiers","title":"KICKER PXA Waterproof Amplifiers — Mono, 4 \u0026 5-Channel Models","description":"\u003ch2\u003eKICKER PXA Waterproof Amplifiers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePXA is the KICKER amplifier family for places where a normal car-audio amp is either too exposed or too hard to package.\u003c\/strong\u003e Motorcycles, UTVs, golf carts, boatside-style powersports compartments and compact custom builds can put the amplifier around water, dust and very limited mounting space. PXA solves that with a compact Class-D platform and an amplifier chassis certified to IP66 and IP67.\u003c\/p\u003e\u003cp\u003eThe important part is choosing the model by the system, not just by the biggest wattage number. Two models are mono subwoofer amplifiers; two are full-range\/multi-channel amplifiers, and only the PXA400.4 and PXA1000.5 support the optional PXAPT programming adapter and KICKER Powersports Tune software.\u003c\/p\u003e\u003ch3\u003ePXA300.1 — compact mono power for a smaller bass section.\u003c\/h3\u003e\u003cp\u003eChoose \u003cstrong\u003e48PXA3001\u003c\/strong\u003e when the system needs a dedicated subwoofer channel but 600 watts would be unnecessary. It produces 150 watts at 4 ohms, 250 watts at 2 ohms and 300 watts at 1 ohm. Use it for a smaller powersports or compact-vehicle sub stage where packaging and weather resistance matter as much as raw output.\u003c\/p\u003e\u003ch3\u003ePXA600.1 — the stronger mono option.\u003c\/h3\u003e\u003cp\u003eChoose \u003cstrong\u003e48PXA6001\u003c\/strong\u003e when the subwoofer system actually calls for more power. It produces 300 watts at 4 ohms, 500 watts at 2 ohms and 600 watts at 1 ohm. It fills the same job as the 300.1, but with twice the 1-ohm output for a higher-power subwoofer load.\u003c\/p\u003e\u003ch3\u003ePXA400.4 — four full-range channels in the small waterproof chassis.\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e48PXA4004\u003c\/strong\u003e is the choice for a speaker system rather than a dedicated sub stage. It delivers 100 watts × 4 at 4 ohms or 150 watts × 4 at 2 ohms. That makes it useful for four powersports speakers, a motorcycle front\/rear layout, or a compact active\/passive speaker system where a conventional amplifier is hard to protect from the environment.\u003c\/p\u003e\u003cp\u003eThe PXA400.4 also supports the optional PXAPT adapter, which opens KICKER Powersports Tune software for per-channel EQ and crossover adjustment. That is a real functional difference from the mono PXA models.\u003c\/p\u003e\u003ch3\u003ePXA1000.5 — one waterproof amplifier for the whole system.\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e48PXA10005\u003c\/strong\u003e is the one-chassis answer when the build needs four full-range channels plus a subwoofer channel. The full-range section produces 100 watts × 4 at 4 ohms or 150 watts × 4 at 2 ohms. The sub channel produces 300 watts at 4 ohms, 500 watts at 2 ohms or 600 watts at 1 ohm.\u003c\/p\u003e\u003cp\u003eChoose it when one amplifier can run the main speakers and subwoofer without building a second amp location. Like the PXA400.4, it supports the optional PXAPT programming adapter for channel EQ and crossover control through KICKER Powersports Tune.\u003c\/p\u003e\u003ch3\u003eWhat all four PXA models share.\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-efficiency Class-D amplifier design\u003c\/li\u003e\n\u003cli\u003eIP66\/IP67-certified amplifier construction\u003c\/li\u003e\n\u003cli\u003eSealed bulkhead grommets, gasketed joints and sealed preamp-control door\u003c\/li\u003e\n\u003cli\u003eDC-offset or 12-volt trigger turn-on modes\u003c\/li\u003e\n\u003cli\u003eShielded inline power and ground couplers included\u003c\/li\u003e\n\u003cli\u003eStainless-steel mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e KICKER states that the IP66\/IP67 certifications apply to the amplifier itself, not the external wire couplers. The rest of the installation still has to be routed, fused, terminated and protected correctly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe result:\u003c\/strong\u003e use PXA300.1 for the smaller mono bass job, PXA600.1 when that bass section needs more current, PXA400.4 for four full-range channels, and PXA1000.5 when one waterproof chassis needs to run four speakers plus a subwoofer.\u003c\/p\u003e\u003ch2\u003eManufacturer Specifications\u003c\/h2\u003e\u003ch3\u003e48PXA3001\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: mono Class-D amplifier\u003c\/li\u003e\n\u003cli\u003e150 W × 1 @ 4 ohms\u003c\/li\u003e\n\u003cli\u003e250 W × 1 @ 2 ohms\u003c\/li\u003e\n\u003cli\u003e300 W × 1 @ 1 ohm\u003c\/li\u003e\n\u003cli\u003eDynamic power: 500 W\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25 Hz–200 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e48PXA6001\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: mono Class-D amplifier\u003c\/li\u003e\n\u003cli\u003e300 W × 1 @ 4 ohms\u003c\/li\u003e\n\u003cli\u003e500 W × 1 @ 2 ohms\u003c\/li\u003e\n\u003cli\u003e600 W × 1 @ 1 ohm\u003c\/li\u003e\n\u003cli\u003eDynamic power: 850 W\u003c\/li\u003e\n\u003cli\u003eFrequency response: 25 Hz–200 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e48PXA4004\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: four-channel Class-D amplifier\u003c\/li\u003e\n\u003cli\u003e100 W × 4 @ 4 ohms\u003c\/li\u003e\n\u003cli\u003e150 W × 4 @ 2 ohms\u003c\/li\u003e\n\u003cli\u003eDynamic power: 800 W\u003c\/li\u003e\n\u003cli\u003eFrequency response: 10 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003eOptional PXAPT programming supported\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e48PXA10005\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: five-channel Class-D amplifier\u003c\/li\u003e\n\u003cli\u003eFull-range: 100 W × 4 @ 4 ohms\u003c\/li\u003e\n\u003cli\u003eFull-range: 150 W × 4 @ 2 ohms\u003c\/li\u003e\n\u003cli\u003eSub channel: 300 W @ 4 ohms \/ 500 W @ 2 ohms \/ 600 W @ 1 ohm\u003c\/li\u003e\n\u003cli\u003eDynamic power: 1,400 W\u003c\/li\u003e\n\u003cli\u003eFrequency response: 10 Hz–20 kHz full-range \/ 25 Hz–200 Hz sub channel\u003c\/li\u003e\n\u003cli\u003eOptional PXAPT programming supported\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kicker","offers":[{"title":"5-Channel Amplifier — PXA1000.5","offer_id":51462416433385,"sku":"48PXA10005","price":779.99,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — PXA400.4","offer_id":51707473002729,"sku":"48PXA4004","price":499.99,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 600W — PXA600.1","offer_id":51707473035497,"sku":"48PXA6001","price":399.99,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 300W — PXA300.1","offer_id":51707473068265,"sku":"48PXA3001","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/kicker-48pxa10005-pxa10005-waterproof-5-channel-amplifier-front.jpg?v=1782765408"},{"product_id":"arc-audio-copper-series-amplifiers","title":"ARC Audio Copper Series Class A\/B Amplifiers","description":"\u003ch2\u003eARC Audio Copper Series Class A\/B Amplifiers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eThe Copper Series is for the system where “the amp makes enough power” is not the end of the conversation. If the speakers, DSP, installation and tuning are being chosen for sound quality, the amplifier has to preserve the signal instead of becoming the part we accept as good enough.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eARC Audio built Copper as its reference Class A\/B amplifier family. Robert Zeff designed the platform around signal transparency, extremely low distortion, stable bias as the amplifier heats and cools, and a true front-end bypass that lets a DSP feed the amplifier through the shortest practical signal path.\u003c\/p\u003e\u003cp\u003eThat is why Copper is different from simply buying a bigger amp. The question is not only how many watts the speaker gets. It is how cleanly the amplifier follows the input signal, how consistent it stays when the system has been playing hard, and how much unnecessary circuitry sits between the DSP and the speaker.\u003c\/p\u003e\u003ch3\u003eULF is about getting the amplifier out of the music.\u003c\/h3\u003e\u003cp\u003eARC’s ULF — Ultra-Low Feedback — architecture is designed to reduce the harmonic and intermodulation distortion that can obscure low-level detail and change tonal character.\u003c\/p\u003e\u003cp\u003eIn a serious sound-quality system, those little errors matter. The DSP may have the stage aligned perfectly and the speakers may be capable of real detail, but if the amplifier adds coloration or smears transient information, the system never fully gets out of its own way.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat the customer hears:\u003c\/strong\u003e cleaner separation between instruments, more natural vocal texture and a system that can stay detailed without becoming hard or artificial when the volume comes up.\u003c\/p\u003e\u003ch3\u003eTTB keeps the amplifier from changing character as it gets hot.\u003c\/h3\u003e\u003cp\u003eClass A\/B bias is part of how the output stage behaves, and temperature changes that operating condition. ARC’s TTB — Thermal Tracking Bias — monitors the amplifier in real time and adjusts bias as thermal and load conditions change.\u003c\/p\u003e\u003cp\u003eThat matters because a reference amplifier should not sound one way when it is cold and another way after an hour of hard listening. TTB is there to keep the output stage operating consistently as real-world temperature changes happen.\u003c\/p\u003e\u003cp\u003ePair that with ARC’s microprocessor-managed cooling and the goal is straightforward: keep the amplifier stable enough that the tune and tonal balance do not move around as the system gets used.\u003c\/p\u003e\u003ch3\u003eThe true front-end bypass is exactly what a DSP system needs.\u003c\/h3\u003e\u003cp\u003eWhen a DSP is already handling crossovers, EQ, delay, phase and routing, sending that carefully processed signal through another set of analog filters serves no useful purpose.\u003c\/p\u003e\u003cp\u003eCopper gives the installer a true front-end crossover bypass. ARC designed that switch to remove the front-end processing circuitry from the signal path so a high-resolution DSP can feed the amplifier more directly.\u003c\/p\u003e\u003cp\u003eThis is one of the biggest reasons Copper makes sense in an active reference system. We are not buying a premium DSP and then running its output through circuitry we do not need. The amplifier gets to do the job we bought it for: take that processed signal and make it bigger without trying to redesign it again.\u003c\/p\u003e\u003ch3\u003eCu 4.2 — two reference channels with serious flexibility.\u003c\/h3\u003e\u003cp\u003eThe Cu 4.2 is ARC’s compact two-channel reference amplifier. ARC rates it at \u003cstrong\u003e225 watts × 2 into 4 ohms\u003c\/strong\u003e, which puts it in a useful place for high-end left\/right speakers, active midbass, bi-amplified driver sections or a bridged application.\u003c\/p\u003e\u003cp\u003eThe important part is not just the 225-watt rating. ARC specifically positions the 4.2 for stereo separation and bi-amped systems where two channels need to remain clean, controlled and independent.\u003c\/p\u003e\u003cp\u003eFor a front stage, that could mean one Cu 4.2 dedicated to left\/right midbass while another amplifier handles the upper drivers. In a more extreme system, multiple Copper amplifiers can be used to keep channel duties and signal paths isolated rather than packing every function into one chassis.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the Cu 4.2 when:\u003c\/strong\u003e two reference-quality channels solve the job and you want the Copper signal architecture without stepping up to the larger Cu 6.2 chassis.\u003c\/p\u003e\u003ch3\u003eCu 4.4 — four channels when imaging and system architecture matter.\u003c\/h3\u003e\u003cp\u003eThe Cu 4.4 is the flexible Copper amplifier. ARC rates it at \u003cstrong\u003e110 watts × 4 into 4 ohms\u003c\/strong\u003e, \u003cstrong\u003e175 watts × 4 into 2 ohms\u003c\/strong\u003e, or \u003cstrong\u003e350 watts × 2 bridged into 4 ohms\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThat lets us build it as a four-channel, three-channel or two-channel amplifier depending on what the system needs. Four independent channels can run tweeters and midranges. A three-channel layout can leave two channels independent and bridge the other pair. Or both pairs can be bridged when the system needs more power per side.\u003c\/p\u003e\u003cp\u003eARC also points out that high-end system designers use multiple Cu 4.4 amplifiers to achieve complete left\/right isolation. That is the kind of architecture that matters when imaging and channel separation are the priority: each side of the vehicle can be given its own amplifier resources instead of sharing everything inside one crowded signal path.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the Cu 4.4 when:\u003c\/strong\u003e channel precision is the bigger need and you want Copper-level transparency across multiple active drivers.\u003c\/p\u003e\u003ch3\u003eCu 6.2 — the Copper powerhouse when two channels need real headroom.\u003c\/h3\u003e\u003cp\u003eThe Cu 6.2 is the high-output two-channel model in the family. ARC rates it at \u003cstrong\u003e375 watts × 2 into 4 ohms\u003c\/strong\u003e and positions it for demanding full-range stereo, serious midbass or bridged subwoofer duty.\u003c\/p\u003e\u003cp\u003eThis is also where ARC adds M.I.S.T. — Multi-Stage Isolated Supply Technology. Instead of allowing every section of the amplifier to interact through one common supply environment, M.I.S.T. isolates key circuit sections to reduce noise and unwanted interaction under heavy load.\u003c\/p\u003e\u003cp\u003eThat becomes more important as current demand rises. A large midbass transient or bridged low-frequency load should not drag the sensitive signal stages around with it. ARC’s supply architecture is designed to keep the amplifier composed while the output stage is doing real work.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the Cu 6.2 when:\u003c\/strong\u003e the system needs the most two-channel headroom in the Copper family but you still want the same reference signal philosophy rather than jumping to a different amplifier architecture just for more power.\u003c\/p\u003e\u003ch3\u003eClass A\/B is not here for nostalgia.\u003c\/h3\u003e\u003cp\u003eCopper is not a “vintage technology” exercise. ARC uses Class A\/B because this reference platform is built around transparency, bias control and the way the output stage behaves in a high-resolution system.\u003c\/p\u003e\u003cp\u003eThe tradeoff is that Class A\/B creates more heat than a highly efficient Class-D amplifier. ARC accounts for that with internal airflow and microprocessor-controlled cooling rather than pretending heat is not part of the design.\u003c\/p\u003e\u003cp\u003eSo the reason to buy Copper is not that Class A\/B is automatically better than every Class-D amplifier. It is that ARC engineered this specific Class A\/B platform for the customer who is willing to spend more amplifier space, current and money to chase the last part of signal quality.\u003c\/p\u003e\u003ch3\u003eWhich Copper amplifier makes sense?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCu 4.2:\u003c\/strong\u003e two strong reference channels when 225 watts per channel at 4 ohms is enough and the smaller chassis matters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCu 4.4:\u003c\/strong\u003e four-channel flexibility for active front stages, 4\/3\/2-channel layouts and systems where channel isolation and imaging are part of the design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCu 6.2:\u003c\/strong\u003e the highest-output two-channel Copper when demanding midbass, full-range stereo or bridged low-frequency duty needs more headroom.\u003c\/p\u003e\u003cp\u003eThen pair the amplifier with the DSP that gives the system the control it deserves. A Copper amp is not there to fix poor speaker locations or a bad tune. It is there so, once those things are right, the amplifier is not what holds the system back.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe result:\u003c\/strong\u003e reference power that is chosen for transparency, control and consistency—not because another amplifier happened to print the same wattage on the box.\u003c\/p\u003e\u003ch2\u003eManufacturer Specifications\u003c\/h2\u003e\u003ch3\u003eCu 4.2 — 2-Channel Reference Amplifier\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier topology:\u003c\/strong\u003e Class A\/B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated power at 4 ohms:\u003c\/strong\u003e 225 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated power at 2 ohms:\u003c\/strong\u003e 350 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged power at 4 ohms:\u003c\/strong\u003e 700 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e 10 Hz–75 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrossover range:\u003c\/strong\u003e 55 Hz–5.5 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eARC Audio technologies:\u003c\/strong\u003e ULF (Ultra-Low Feedback) and TTB (Thermal Tracking Bias)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront-end\/crossover bypass:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Microprocessor-controlled cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 11 × 8.65 × 2.65 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Robert Zeff \/ ARC Audio reference platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCu 4.4 — 4-Channel Reference Amplifier\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier topology:\u003c\/strong\u003e Class A\/B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated power at 4 ohms:\u003c\/strong\u003e 110 watts × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated power at 2 ohms:\u003c\/strong\u003e 175 watts × 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged power at 4 ohms:\u003c\/strong\u003e 350 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurations:\u003c\/strong\u003e 4-channel, 3-channel or 2-channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e 10 Hz–75 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrossover range:\u003c\/strong\u003e 55 Hz–5.5 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eARC Audio technologies:\u003c\/strong\u003e ULF (Ultra-Low Feedback) and TTB (Thermal Tracking Bias)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront-end\/crossover bypass:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Microprocessor-managed internal cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 11 × 8.65 × 2.65 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Robert Zeff \/ ARC Audio reference platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCu 6.2 — 2-Channel Reference Amplifier\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier topology:\u003c\/strong\u003e Class A\/B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated power at 4 ohms:\u003c\/strong\u003e 375 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated power at 2 ohms:\u003c\/strong\u003e 625 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged power at 4 ohms:\u003c\/strong\u003e 1,250 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e 7 Hz–50 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrossover range:\u003c\/strong\u003e 55 Hz–5.5 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eARC Audio technologies:\u003c\/strong\u003e ULF, TTB and M.I.S.T. (Multi-Stage Isolated Supply Technology)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront-end\/crossover bypass:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Microprocessor-controlled internal fan cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15 × 8 × 2.65 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Robert Zeff \/ ARC Audio reference platform\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARC Audio","offers":[{"title":"2-Channel Amplifier — Cu 4.2","offer_id":51487707136233,"sku":"CU4.2","price":1798.0,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — Cu 4.4","offer_id":51707380859113,"sku":"CU4.4","price":1798.0,"currency_code":"USD","in_stock":true},{"title":"2-Channel Amplifier — Cu 6.2","offer_id":51707380891881,"sku":"CU6.2","price":1998.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/arc-audio-cu-6-2-transparent-2000_a1fdabf9-9aee-4734-b6b3-10ce09d6ad2d.png?v=1787455651"},{"product_id":"arc-audio-arc-series-amplifiers","title":"ARC Audio ARC Series Class-D Amplifiers","description":"\u003ch2\u003eARC Audio ARC Series Amplifiers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eThese are not just “about 1,000-watt amps.” ARC built the ARC Series for the part of a serious system that gets overlooked fast: delivering clean power, staying quiet in a modern vehicle, managing heat under real musical load, and giving the installer enough control to solve interference and integration problems instead of working around them.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe ARC 1000.2 and ARC 1000.6 share the same Robert Zeff-designed full-range Class-D platform and compact high-pressure die-cast aluminum chassis, but they solve two very different system problems. The 1000.2 puts the power into two strong channels. The 1000.6 spreads the platform across six channels for active front stages and multi-speaker systems.\u003c\/p\u003e\u003cp\u003eThen ARC gives both amplifiers another trick: the analog input board can be replaced with the optional IPS 8.8 DSP module. That means the amplifier can start as a straightforward high-end power amp when processing is already handled, then become an internally processed, Maestro-capable platform if the system architecture changes later.\u003c\/p\u003e\u003ch3\u003eThe power supply is part of the sound.\u003c\/h3\u003e\u003cp\u003eAn amplifier can make the right wattage number on a test bench and still fall apart when the music gets dynamic. ARC uses ultra-low-ESR capacitors before and after the power supply so current delivery stays stable when the track suddenly asks for a lot more energy.\u003c\/p\u003e\u003cp\u003eThat matters on real music. Kick drums and midbass transients do not arrive as a steady test tone. They hit fast. The amplifier has to supply that demand without the power rail sagging and without the sound getting flat when the system is pushed.\u003c\/p\u003e\u003cp\u003eARC also puts low-impedance filter chokes on the main power connections to reduce RF energy from the switching power supply traveling back out through the power wiring. In a modern vehicle full of radios, keyless-entry systems, antennas and data electronics, that is not engineering for the brochure—it is engineering that can prevent an installation problem.\u003c\/p\u003e\u003ch3\u003eARC even gives us a way to move the switching frequency if the vehicle does not like it.\u003c\/h3\u003e\u003cp\u003eRobert Zeff and ARC developed the TAMB switching-control system specifically for the kind of interference problem that can show up when multiple high-frequency electronic systems live in the same vehicle.\u003c\/p\u003e\u003cp\u003eIf an amplifier’s master clock or Class-D switching frequency creates radio interference, affects a keyless-entry system or beats against another amplifier’s switching frequency, the installer can adjust the ARC amplifier’s master clock through the ARC software environment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat that solves:\u003c\/strong\u003e instead of accepting a noise or RF problem after the amplifier is installed, we have another legitimate engineering tool to tune the electronics around the vehicle.\u003c\/p\u003e\u003ch3\u003eThe cooling system is designed around sustained output, not just a fan bolted into the case.\u003c\/h3\u003e\u003cp\u003eBoth ARC Series amplifiers use computer-controlled forced-air cooling. Cool air enters through vents at the ends of the heat sink, passes directly over the power-supply switching devices and amplifier output devices, then exits through the front edge of the chassis.\u003c\/p\u003e\u003cp\u003eA microcontroller varies fan speed based on what the amplifier actually needs. That lets ARC move heat away from the devices that create it without running the fan flat-out all the time.\u003c\/p\u003e\u003cp\u003eThe customer benefit is simple: the amplifier can stay thermally stable when the system is being played hard, while the cooling system stays quieter when the demand is lower.\u003c\/p\u003e\u003ch3\u003eARC 1000.2 — when two channels need real authority.\u003c\/h3\u003e\u003cp\u003eThe ARC 1000.2 is the model we choose when channel count is not the problem—power per channel is.\u003c\/p\u003e\u003cp\u003eARC rates it at \u003cstrong\u003e500 watts × 2 into 4 ohms\u003c\/strong\u003e, or \u003cstrong\u003e1,000 watts × 1 bridged into 4 ohms\u003c\/strong\u003e. That makes it useful for a serious left\/right midbass section, high-demand full-range speakers or a single bridged load when the system design calls for one high-power channel.\u003c\/p\u003e\u003cp\u003eUnlike the 1000.6, the 1000.2 also includes an adjustable \u003cstrong\u003e50–500 Hz active crossover\u003c\/strong\u003e. Three sets of preamp outputs provide full-range, high-pass and low-pass signal, so the amplifier can still participate in a straightforward analog system without requiring a separate DSP just to handle basic frequency division.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it solves:\u003c\/strong\u003e “I already know where the signal is coming from. I need two channels with enough headroom that the speakers are not being asked to live on a small multi-channel amp.”\u003c\/p\u003e\u003ch3\u003eARC 1000.6 — one chassis for a serious active front stage.\u003c\/h3\u003e\u003cp\u003eThe ARC 1000.6 is the opposite design decision. Instead of concentrating the platform into two big channels, it gives us \u003cstrong\u003e175 watts × 6 into either 4- or 2-ohm loads\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eSix channels is exactly what a fully active three-way front stage needs: left\/right tweeters, left\/right midranges and left\/right midbass, all with their own amplifier channel. It can also run a high-output front\/rear system or any build where six independent channels eliminate the need to stack multiple smaller amplifiers.\u003c\/p\u003e\u003cp\u003eARC intentionally leaves analog crossover controls off the 1000.6. This amplifier was designed around premium source units with proper crossover capability or, more commonly in the kind of system where six channels make sense, a real DSP.\u003c\/p\u003e\u003cp\u003eThat is not a missing feature. It keeps the signal path focused on amplification when the crossover, delay, EQ and phase work is already being handled upstream.\u003c\/p\u003e\u003ch3\u003eBalanced inputs help before the tuning even starts.\u003c\/h3\u003e\u003cp\u003eBoth models use fully balanced differential inputs to reject common electrical noise. That becomes increasingly important in a vehicle where long signal paths, factory electronics and multiple amplifiers can create opportunities for induced noise.\u003c\/p\u003e\u003cp\u003eWith the standard analog input card, these are fundamentally low-level-input amplifiers. Factory amplified signal can be used with the proper attenuation\/interface strategy; it should not simply be treated like a normal RCA input because the plug happens to fit an installation plan.\u003c\/p\u003e\u003cp\u003eARC also includes both DC-offset and signal-sense turn-on detection, which gives the installer more options when the vehicle does not provide a conventional aftermarket remote-turn-on lead.\u003c\/p\u003e\u003ch3\u003eThe IPS 8.8 changes what the amplifier can become.\u003c\/h3\u003e\u003cp\u003eThe optional ARC Audio IPS 8.8 replaces the amplifier’s standard analog input board inside the chassis. Instead of adding another external processor and another set of interconnects, the DSP becomes part of the amplifier.\u003c\/p\u003e\u003cp\u003eARC’s IPS 8.8 platform adds dual signal mixers, advanced crossover control, precise signal delay, \u003cstrong\u003e248 bands of equalization\u003c\/strong\u003e and supported iDatalink Maestro AR integration. That gives us a path from premium analog amplifier to a much more complete OEM-integration and tuning platform without replacing the amplifier itself.\u003c\/p\u003e\u003cp\u003eThat is useful when a build changes over time. Maybe today the vehicle already has a DSP. Maybe later the amplifier moves into another vehicle where the factory radio and factory amplifier need a more integrated solution. The ARC Series leaves that door open.\u003c\/p\u003e\u003ch3\u003e1000.2 or 1000.6?\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eChoose the ARC 1000.2\u003c\/strong\u003e when two high-power channels—or one strong bridged channel—solve the system. It is the better fit for big midbass power, demanding left\/right speaker sections and applications where the built-in analog crossover\/preamp outputs are useful.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose the ARC 1000.6\u003c\/strong\u003e when channel count is the real problem. It is the natural ARC Series amplifier for an active three-way front stage or another six-channel system where every speaker needs its own clean amplifier channel.\u003c\/p\u003e\u003cp\u003eDo not choose between them by the total wattage number. Both come from the same roughly 1,000-watt ARC Series philosophy. Choose the one that distributes that power the way the system actually needs it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe result:\u003c\/strong\u003e clean, transparent power in a compact chassis, real thermal engineering, tools to deal with modern-vehicle RF problems, and an internal DSP upgrade path that lets the amplifier stay useful as the system evolves.\u003c\/p\u003e\u003ch2\u003eManufacturer Specifications\u003c\/h2\u003e\u003ch3\u003eARC 1000.2 — 2-Channel Class-D Amplifier\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 4 ohms:\u003c\/strong\u003e 500 watts × 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged power at 4 ohms:\u003c\/strong\u003e 1,000 watts × 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier topology:\u003c\/strong\u003e Full-range Class D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e Fully balanced differential\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog crossover:\u003c\/strong\u003e Adjustable 50–500 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreamp outputs:\u003c\/strong\u003e Full-range, high-pass and low-pass outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurn-on:\u003c\/strong\u003e DC-offset and signal-sense detection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Microprocessor-controlled forced-air cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRF\/interference control:\u003c\/strong\u003e ARC Audio TAMB adjustable master-clock \/ switching-frequency technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower-supply filtering:\u003c\/strong\u003e Low-impedance RF filter chokes and ultra-low-ESR capacitors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional DSP:\u003c\/strong\u003e ARC Audio IPS 8.8 internal DSP module compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM integration with optional DSP:\u003c\/strong\u003e iDatalink Maestro AR compatible in supported applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15-3\/8 × 6-3\/8 × 2-1\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Robert Zeff \/ ARC Audio engineering platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eARC 1000.6 — 6-Channel Class-D Amplifier\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 4 ohms:\u003c\/strong\u003e 175 watts × 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower at 2 ohms:\u003c\/strong\u003e 175 watts × 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier topology:\u003c\/strong\u003e Full-range Class D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e Fully balanced differential\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog crossover:\u003c\/strong\u003e None; intended for premium source-unit or DSP crossover control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog preamp outputs:\u003c\/strong\u003e Two full-range output pairs with the standard analog input card\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurn-on:\u003c\/strong\u003e DC-offset and signal-sense detection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Microprocessor-controlled forced-air cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRF\/interference control:\u003c\/strong\u003e ARC Audio TAMB adjustable master-clock \/ switching-frequency technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower-supply filtering:\u003c\/strong\u003e Low-impedance RF filter chokes and ultra-low-ESR capacitors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional DSP:\u003c\/strong\u003e ARC Audio IPS 8.8 internal DSP module compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM integration with optional DSP:\u003c\/strong\u003e iDatalink Maestro AR compatible in supported applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15-3\/8 × 6-3\/8 × 2-1\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Robert Zeff \/ ARC Audio engineering platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIPS 8.8 Optional DSP Upgrade\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Replaces the standard analog input board inside compatible ARC Series amplifiers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal mixing:\u003c\/strong\u003e Dual signal mixers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning:\u003c\/strong\u003e Advanced crossovers, precise signal delay and 248 bands of equalization\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM integration:\u003c\/strong\u003e iDatalink Maestro AR compatibility in supported applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARC Audio","offers":[{"title":"2-Channel Analog Amplifier — ARC 1000.2","offer_id":51487708020969,"sku":"ARC 1000.2","price":968.0,"currency_code":"USD","in_stock":true},{"title":"2-Channel + IPS8.8 DSP — ARC 1000.2","offer_id":51792953934057,"sku":"1000.2 + IPS8.8","price":1538.0,"currency_code":"USD","in_stock":false},{"title":"6-Channel Analog Amplifier — ARC 1000.6","offer_id":51707381448937,"sku":"ARC 1000.6","price":1088.0,"currency_code":"USD","in_stock":true},{"title":"6-Channel + IPS8.8 DSP — ARC 1000.6","offer_id":51792953966825,"sku":"1000.6 + IPS8.8","price":1658.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/arc-audio-arc-1000-6-transparent-2000_19712a9b-951e-4e99-9797-839ef6c38e10.png?v=1787455647"},{"product_id":"k1200-4","title":"Galeforce Audio K1200.4 4-Channel Class-D Amplifier","description":"\u003ch2\u003eGaleforce Audio K1200.4 — 4-Channel Class-D High-Output Amplifier\u003c\/h2\u003e\u003cp\u003eA big pro-audio speaker system does not just need wattage. It needs an amplifier that can deliver useful power at the impedance the speaker array actually presents and enough crossover control to keep dedicated midranges working where they belong. That is the real reason the K1200.4 makes sense.\u003c\/p\u003e\u003cp\u003eGaleforce rates the Korean-manufactured K1200.4 at 190W × 4 at 4 ohms, 300W × 4 at 2 ohms, or 570W × 2 bridged at 4 ohms, with all three ratings dyno-certified at 12.6V. It also includes an integrated cooling fan and an unusually wide onboard crossover network: high-pass adjustment from 20 Hz–8 kHz and low-pass adjustment from 50 Hz–8 kHz.\u003c\/p\u003e\u003ch3\u003eWhy the crossover section matters\u003c\/h3\u003e\u003cp\u003eFor a dedicated midrange such as the Galeforce G3, the goal is not to send the speaker every frequency the amplifier can make. The K1200.4's adjustable high-pass and low-pass filters can be used together to create a band-passed midrange channel, keeping low-frequency energy out of the G3 while also controlling where the high-frequency driver takes over. A DSP still gives you more control, but this amplifier gives a builder useful crossover capability even before adding one.\u003c\/p\u003e\u003ch3\u003eWhat the power ratings mean in a real G3 system\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne 4-ohm G3 per channel:\u003c\/strong\u003e the K1200.4 is rated at 190W per channel at 4 ohms, which is a close electrical match to the G3's published 200W RMS rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo 4-ohm G3s in parallel per channel:\u003c\/strong\u003e the pair presents 2 ohms. The amplifier is rated at 300W on that channel, so two identical speakers would share roughly 150W each.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo 8-ohm G3s in parallel per channel:\u003c\/strong\u003e the pair presents 4 ohms. The channel is rated at 190W total, so two identical speakers would share roughly 95W each.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThose examples are why speaker impedance has to be chosen with the amplifier and total speaker count in mind. Do not wire the amplifier below its rated load, and do not assume a lower impedance is automatically the better system.\u003c\/p\u003e\u003ch3\u003eImportant frequency-range limitation\u003c\/h3\u003e\u003cp\u003eGaleforce publishes the K1200.4's amplifier frequency response as \u003cstrong\u003e20 Hz–8 kHz\u003c\/strong\u003e. That is well suited to dedicated midrange duty, including G3 systems, but it is not a conventional 20 kHz full-bandwidth specification. If the build also uses a T25 Super Tweeter out to its published 20 kHz upper range, plan the high-frequency amplification around that requirement rather than assuming the K1200.4 covers the entire tweeter band.\u003c\/p\u003e\u003ch3\u003eManufacturer Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier Class\u003c\/th\u003e\n\u003ctd\u003eClass D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChannels\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower @ 4Ω\u003c\/th\u003e\n\u003ctd\u003e190W × 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower @ 2Ω\u003c\/th\u003e\n\u003ctd\u003e300W × 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBridged Power @ 4Ω\u003c\/th\u003e\n\u003ctd\u003e570W × 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower-Test Voltage\u003c\/th\u003e\n\u003ctd\u003eDyno-certified at 12.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Response\u003c\/th\u003e\n\u003ctd\u003e20 Hz–8 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHigh-Pass Filter\u003c\/th\u003e\n\u003ctd\u003e20 Hz–8 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLow-Pass Filter\u003c\/th\u003e\n\u003ctd\u003e50 Hz–8 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuse Rating\u003c\/th\u003e\n\u003ctd\u003e120A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Voltage\u003c\/th\u003e\n\u003ctd\u003e9–16V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e10.875 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeatsink Length\u003c\/th\u003e\n\u003ctd\u003e9.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e4.7 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e2.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eOther manufacturer-listed features:\u003c\/strong\u003e Korean manufacture, integrated cooling fan, adjustable onboard crossover network.\u003c\/p\u003e","brand":"Galeforce Audio","offers":[{"title":"Default Title","offer_id":51703433167081,"sku":"K1200.4","price":700.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/k1200.4.jpg?v=1787338131"},{"product_id":"cicada-audio-cx250-2d-250w-x-2-channel-amplifier","title":"Cicada Audio CX250.2D 2-Channel Amplifier","description":"\u003ch2\u003eCicada Audio CX250.2D 2-Channel Full-Range Amplifier\u003c\/h2\u003e\u003cp\u003eNeed strong power for one pair of motorcycle or powersports speakers without dedicating the space to a four-channel amp? That is where the CX250.2D fits. Cicada rates it at \u003cstrong\u003e150 watts RMS x 2 at 4 ohms\u003c\/strong\u003e and \u003cstrong\u003e250 watts RMS x 2 at 2 ohms\u003c\/strong\u003e at 14.4 volts.\u003c\/p\u003e\u003cp\u003eThe load decision comes first. Run it as a two-channel amplifier when you want independent left\/right channels for a speaker pair. Bridge it only into a supported \u003cstrong\u003e4-ohm mono load\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhere It Fits\u003c\/h3\u003e\u003cp\u003eThis is a full-range Class-D two-channel amplifier, so it can run coaxials, component\/mid-bass sections, or another compatible pair when the crossover and power match the speakers. The switchable high-pass, full-range, and low-pass filtering gives it useful basic system control, while REM, VOX, and DC turn-on modes make it easier to integrate into different motorcycle and factory-radio installations.\u003c\/p\u003e\u003cp\u003eHigh-level and low-level signal integration still needs to be evaluated around the source. Auto turn-on does not correct factory EQ, summing, all-pass behavior, or other OEM processing. If the source signal needs correction, that work belongs upstream in the integration or DSP plan.\u003c\/p\u003e\u003ch3\u003eElectrical Planning\u003c\/h3\u003e\u003cp\u003eOn a motorcycle, charging capacity matters. Cicada lists an 8–16V operating range. Power\/ground wiring, fuse location, battery condition, charging-system headroom, and the rest of the amplifier load should be planned as one system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it will not do:\u003c\/strong\u003e stereo operation is designed around 4- or 2-ohm loads, and bridged use should be kept to a 4-ohm load. It is not the right amp if the build needs four independent channels, a lower bridged impedance, or DSP functions such as time alignment and detailed EQ.\u003c\/p\u003e\u003ch3\u003eManufacturer Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAmplifier type: 2-channel full-range Class D\u003c\/li\u003e\n\u003cli\u003eRMS power at 14.4V: 150W x 2 @ 4 ohms\u003c\/li\u003e\n\u003cli\u003eRMS power at 14.4V: 250W x 2 @ 2 ohms\u003c\/li\u003e\n\u003cli\u003eMinimum stereo load: 2 ohms per channel\u003c\/li\u003e\n\u003cli\u003eMinimum bridged load: 4 ohms\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 8–16V\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003eDamping factor: 200\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: 91 dB\u003c\/li\u003e\n\u003cli\u003eCrossover: LPF \/ FULL \/ HPF\u003c\/li\u003e\n\u003cli\u003eCrossover range: 40–400 Hz\u003c\/li\u003e\n\u003cli\u003eCrossover slope: 12 dB\/octave\u003c\/li\u003e\n\u003cli\u003eTurn-on modes: REM \/ VOX \/ DC\u003c\/li\u003e\n\u003cli\u003eTHD+N at 10% rated power: 0.1%\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCloseout Note\u003c\/h3\u003e\u003cp\u003eCicada lists the CX250.2D in its closeout section. Choose it because its two-channel power, supported impedance, crossover range, and electrical demand fit the system—not simply because it is a legacy closeout model.\u003c\/p\u003e","brand":"Cicada Audio","offers":[{"title":"Default Title","offer_id":51703971709161,"sku":"CX250.2D","price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/CX250.2D-3-1.jpg?v=1787362661"},{"product_id":"ds18-frp-full-range-monoblock-amplifiers","title":"DS18 FRP Full-Range Monoblock Amplifiers","description":"\u003ch2\u003eDS18 FRP Full-Range Monoblocks — Pick the Power Around the Load\u003c\/h2\u003e\u003cp\u003eThe FRP mono family is for systems that need one very high-output full-range channel in a compact Class-D chassis. That can be a bank of pro-audio mids\/highs, a bridged-style single-channel section, or another application where one amplifier channel needs to stay full-range instead of being limited to subwoofer duty.\u003c\/p\u003e\u003cp\u003eThe important decision is not the blue, red or titanium finish. It is how much real 1-ohm power the system needs and whether the vehicle electrical system can support it. The family runs from \u003cstrong\u003e1,500W RMS at 1 ohm\u003c\/strong\u003e all the way to \u003cstrong\u003e12,000W RMS at 1 ohm\u003c\/strong\u003e. The larger models demand dramatically more current, cable, fuse capacity, battery\/charging support and thermal planning.\u003c\/p\u003e\u003ch3\u003eWhich FRP Mono Makes Sense?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFRP-1.5K:\u003c\/strong\u003e the sane entry point for a high-output single-channel section. 1,500W RMS at 1 ohm with a published 130A recommended system fuse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFRP-2.5K:\u003c\/strong\u003e more headroom without jumping into extreme-current territory. 2,500W RMS at 1 ohm; 200A recommended system fuse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFRP-3.5K:\u003c\/strong\u003e for a system that genuinely needs 3,500W RMS at 1 ohm; 300A recommended system fuse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFRP-5K:\u003c\/strong\u003e the point where the electrical system becomes a major part of the build. 5,000W RMS at 1 ohm; 500A recommended system fuse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFRP-8K:\u003c\/strong\u003e extreme-output territory. 8,000W RMS at 1 ohm; 750A recommended system fuse and three-fan Smart Cooling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFRP-12K:\u003c\/strong\u003e purpose-built electrical-system territory. 12,000W RMS at 1 ohm; DS18 publishes a 1,300A recommended system fuse and three-fan Smart Cooling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAll six are full-range Class-D monoblocks and are stable to a 1-ohm minimum load. The smaller models extend to 20 kHz while DS18 publishes 10 Hz–15 kHz for the 5K\/8K\/12K tier. Variable band-pass filtering and 0–12 dB bass boost at 50 Hz let the amplifier be shaped for the system, but they are not a substitute for DSP when the build needs detailed EQ, time alignment or OEM signal correction.\u003c\/p\u003e\u003ch3\u003eElectrical Reality\u003c\/h3\u003e\u003cp\u003eDo not buy the biggest number just because it is available. At 5K and above, alternator capacity, battery reserve, OFC cable, grounds, fuse architecture, voltage stability and the total amplifier load have to be engineered together. The amplifier cannot make rated output from an electrical system that cannot feed it.\u003c\/p\u003e\u003ch3\u003eManufacturer Family Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAmplifier type: full-range digital Class D monoblock\u003c\/li\u003e\n\u003cli\u003eMinimum impedance: 1 ohm\u003c\/li\u003e\n\u003cli\u003eAvailable output tiers: 1,500 \/ 2,500 \/ 3,500 \/ 5,000 \/ 8,000 \/ 12,000W RMS at 1 ohm\u003c\/li\u003e\n\u003cli\u003eBody finishes: Blue, Red, Titanium\u003c\/li\u003e\n\u003cli\u003eVariable crossover \/ band-pass control\u003c\/li\u003e\n\u003cli\u003eBass boost: 0–12 dB at 50 Hz\u003c\/li\u003e\n\u003cli\u003eSmart Cooling: model-dependent, up to three fans\u003c\/li\u003e\n\u003cli\u003eProtection: thermal, overload, short-circuit and voltage protection\u003c\/li\u003e\n\u003cli\u003eSpecial-order; availability can vary\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DS18","offers":[{"title":"1,500W RMS \/ Blue","offer_id":51707294613737,"sku":"FRP-1.5K\/BL","price":299.95,"currency_code":"USD","in_stock":true},{"title":"1,500W RMS \/ Red","offer_id":51707293892841,"sku":"FRP-1.5K\/RD","price":299.95,"currency_code":"USD","in_stock":true},{"title":"1,500W RMS \/ Titanium","offer_id":51707293925609,"sku":"FRP-1.5K\/TI","price":299.95,"currency_code":"USD","in_stock":true},{"title":"2,500W RMS \/ Blue","offer_id":51707292844265,"sku":"FRP-2.5K\/BL","price":349.95,"currency_code":"USD","in_stock":true},{"title":"2,500W RMS \/ Red","offer_id":51707292877033,"sku":"FRP-2.5K\/RD","price":359.95,"currency_code":"USD","in_stock":true},{"title":"2,500W RMS \/ Titanium","offer_id":51707292909801,"sku":"FRP-2.5K\/TI","price":349.95,"currency_code":"USD","in_stock":true},{"title":"3,500W RMS \/ Blue","offer_id":51707293171945,"sku":"FRP-3.5K\/BL","price":419.95,"currency_code":"USD","in_stock":true},{"title":"3,500W RMS \/ Red","offer_id":51707293204713,"sku":"FRP-3.5K\/RD","price":399.95,"currency_code":"USD","in_stock":true},{"title":"3,500W RMS \/ Titanium","offer_id":51707293237481,"sku":"FRP-3.5K\/TI","price":399.95,"currency_code":"USD","in_stock":true},{"title":"5,000W RMS \/ Blue","offer_id":51707293335785,"sku":"FRP-5K\/BL","price":699.95,"currency_code":"USD","in_stock":true},{"title":"5,000W RMS \/ Red","offer_id":51707293368553,"sku":"FRP-5K\/RD","price":699.95,"currency_code":"USD","in_stock":true},{"title":"5,000W RMS \/ Titanium","offer_id":51707293401321,"sku":"FRP-5K\/TI","price":699.95,"currency_code":"USD","in_stock":true},{"title":"8,000W RMS \/ Blue","offer_id":51707293499625,"sku":"FRP-8K\/BL","price":899.95,"currency_code":"USD","in_stock":true},{"title":"8,000W RMS \/ Red","offer_id":51707293532393,"sku":"FRP-8K\/RD","price":899.95,"currency_code":"USD","in_stock":true},{"title":"8,000W RMS \/ Titanium","offer_id":51707293565161,"sku":"FRP-8K\/TI","price":899.95,"currency_code":"USD","in_stock":true},{"title":"12,000W RMS \/ Blue","offer_id":51707293729001,"sku":"FRP-12K\/BL","price":1199.95,"currency_code":"USD","in_stock":true},{"title":"12,000W RMS \/ Red","offer_id":51707293761769,"sku":"FRP-12K\/RD","price":1199.95,"currency_code":"USD","in_stock":true},{"title":"12,000W RMS \/ Titanium","offer_id":51707293794537,"sku":"FRP-12K\/TI","price":1199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/FRP-1.5K-BL-2000x2000_1800x_f6a93b91-f638-45c3-acaa-9f90008a7d8c.jpg?v=1787442394"},{"product_id":"ds18-frp-full-range-4-channel-amplifiers","title":"DS18 FRP Full-Range 4-Channel Amplifiers","description":"\u003ch2\u003eDS18 FRP 4-Channel Amplifiers — 1.2K4 vs 2.4K4 vs 4K4\u003c\/h2\u003e\u003cp\u003eThe FRP four-channel family is built for systems where four channels need real full-range power in a compact Class-D chassis. The question is not which color looks better; it is whether the speakers need roughly 120, 250 or 400 watts per channel at 4 ohms—and whether the vehicle electrical system can support the amplifier at the load you plan to run.\u003c\/p\u003e\u003ch3\u003eChoose the Output Tier First\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFRP-1.2K4:\u003c\/strong\u003e 4 × 120W at 4 ohms, 4 × 200W at 2 ohms, 4 × 300W at 1 ohm. This is the practical match for efficient component\/pro-audio speakers where 300-per-channel territory is enough.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFRP-2.4K4:\u003c\/strong\u003e 4 × 250W at 4 ohms, 4 × 400W at 2 ohms, 4 × 600W at 1 ohm. This is the middle tier when the speakers need substantially more headroom without going to the current demand of the 4K4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFRP-4K4:\u003c\/strong\u003e 4 × 400W at 4 ohms, 4 × 700W at 2 ohms, 4 × 1,000W at 1 ohm. This is for high-output pro-audio systems where the drivers and electrical system are actually built for that power.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAll three are stable down to 1 ohm per channel and 2 ohms bridged. That gives the family unusual wiring flexibility, but low-impedance capability is not a reason to force a low load when the speaker layout does not require it. Build the impedance around the drivers and the target power, not around the lowest number printed on the amplifier.\u003c\/p\u003e\u003ch3\u003eBridged Use\u003c\/h3\u003e\u003cp\u003eThe 1.2K4 bridges to 2 × 350W at 4 ohms or 2 × 500W at 2 ohms. The 2.4K4 bridges to 2 × 750W at 4 ohms or 2 × 1,000W at 2 ohms. The 4K4 bridges to 2 × 1,200W at 4 ohms or 2 × 1,800W at 2 ohms. Bridging makes sense when the system needs two larger channels instead of four independent channels; it does not magically create a better system if four-channel control is still required.\u003c\/p\u003e\u003cp\u003eSelectable HPF\/FULL\/LPF filtering, 10 Hz–2 kHz crossover range and 0–12 dB bass boost at 50 Hz give each model useful analog control. For a DSP-based build, we would normally use the amplifier controls as protection\/backup and do the detailed crossover\/EQ\/time work upstream.\u003c\/p\u003e\u003ch3\u003eElectrical Planning\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFRP-1.2K4: 4GA power input; 140A recommended system fuse\u003c\/li\u003e\n\u003cli\u003eFRP-2.4K4: 0GA power input; 240A recommended system fuse\u003c\/li\u003e\n\u003cli\u003eFRP-4K4: 0GA power input; 500A recommended system fuse\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe 4K4 in particular is not a casual stock-electrical-system amplifier. Cable, fuse architecture, grounds, battery reserve and charging capacity need to be sized for the complete system.\u003c\/p\u003e\u003ch3\u003eManufacturer Family Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAmplifier type: 4-channel full-range digital Class D\u003c\/li\u003e\n\u003cli\u003eMinimum impedance: 1 ohm stereo \/ 2 ohms bridged\u003c\/li\u003e\n\u003cli\u003eFrequency response: 10 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003eSelectable HPF \/ FULL \/ LPF\u003c\/li\u003e\n\u003cli\u003eCrossover range: 10 Hz–2 kHz\u003c\/li\u003e\n\u003cli\u003eBass boost: 0–12 dB at 50 Hz\u003c\/li\u003e\n\u003cli\u003eSmart Cooling fan\u003c\/li\u003e\n\u003cli\u003ePower \/ protect \/ clip indicators\u003c\/li\u003e\n\u003cli\u003eFinishes: Blue, Red, Titanium\u003c\/li\u003e\n\u003cli\u003eSpecial-order; availability can vary\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DS18","offers":[{"title":"1,200W RMS \/ Blue","offer_id":51707294187753,"sku":"FRP-1.2K4\/BL","price":299.95,"currency_code":"USD","in_stock":true},{"title":"1,200W RMS \/ Red","offer_id":51707294220521,"sku":"FRP-1.2K4\/RD","price":299.95,"currency_code":"USD","in_stock":true},{"title":"1,200W RMS \/ Titanium","offer_id":51707294253289,"sku":"FRP-1.2K4\/TI","price":299.95,"currency_code":"USD","in_stock":true},{"title":"2,400W RMS \/ Blue","offer_id":51707294351593,"sku":"FRP-2.4K4\/BL","price":349.95,"currency_code":"USD","in_stock":true},{"title":"2,400W RMS \/ Red","offer_id":51707294384361,"sku":"FRP-2.4K4\/RD","price":349.95,"currency_code":"USD","in_stock":true},{"title":"2,400W RMS \/ Titanium","offer_id":51707294417129,"sku":"FRP-2.4K4\/TI","price":349.95,"currency_code":"USD","in_stock":true},{"title":"4,000W RMS \/ Blue","offer_id":51707294449897,"sku":"FRP-4K4\/BL","price":499.95,"currency_code":"USD","in_stock":true},{"title":"4,000W RMS \/ Red","offer_id":51707294482665,"sku":"FRP-4K4\/RD","price":499.95,"currency_code":"USD","in_stock":true},{"title":"4,000W RMS \/ Titanium","offer_id":51707294515433,"sku":"FRP-4K4\/TI","price":499.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/FRP-1.2K4-BL-2000x2000_1_1800x_4b145cbe-1795-437f-b99e-127af4af610f.jpg?v=1787442402"},{"product_id":"kicker-cx-amplifiers-select-model","title":"KICKER CX Amplifiers — Mono, 4 \u0026 5-Channel Models","description":"\u003ch2\u003eKICKER CX-Series Amplifiers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCX is the straightforward KICKER amplifier line for a system that needs clean power and factory-radio-friendly inputs without paying for a DSP amplifier or a premium control platform.\u003c\/strong\u003e The family includes four mono subwoofer amplifiers, one four-channel full-range amp and one five-channel amp that can run the main speakers and subwoofer from a single chassis.\u003c\/p\u003e\u003cp\u003eAll CX models use KICKER FIT+ differential input circuitry, accept low- or high-level signal and can accept up to 40 volts of speaker-level input. That matters when we are integrating into a factory source because the amplifier can often take the properly identified OEM signal directly instead of adding a basic line-output converter just to reduce voltage.\u003c\/p\u003e\u003ch3\u003eCXA400.1 — small mono bass system\u003c\/h3\u003e\u003cp\u003eChoose \u003cstrong\u003e46CXA4001\u003c\/strong\u003e when the subwoofer section needs up to 400 watts at 1 ohm. It produces 150 watts at 4 ohms, 300 watts at 2 ohms and 400 watts at 1 ohm. This is the clean choice for a moderate single-sub setup where stepping up to 800, 1,200 or 1,800 watts would only increase electrical and enclosure demands without helping the actual woofer.\u003c\/p\u003e\u003ch3\u003eCXA800.1 — stronger daily-driver mono power\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e46CXA8001\u003c\/strong\u003e produces 300 watts at 4 ohms, 600 watts at 2 ohms and 800 watts at 1 ohm. We would use it when the subwoofer load and RMS target genuinely land in the 600–800-watt range. Like the other CX mono amps, it is Class D, one-ohm stable and compatible with the optional CXARC remote bass controller.\u003c\/p\u003e\u003ch3\u003eCXA1200.1 — four-digit mono power\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e46CXA12001\u003c\/strong\u003e delivers 600 watts at 4 ohms and 1,200 watts at either 2 or 1 ohm. That is an important buying distinction: if the subwoofer wiring can present a 2-ohm final load, this model already reaches its published 1,200-watt output without forcing the system to 1 ohm. Choose it for a sub stage built around roughly 1,200 watts, not simply because it sits above the 800.1.\u003c\/p\u003e\u003ch3\u003eCXA1800.1 — the largest CX monoblock\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e46CXA18001\u003c\/strong\u003e produces 900 watts at 4 ohms and 1,800 watts at either 2 or 1 ohm. This is the CX model for a genuinely higher-power bass system. At this output level the subwoofers, enclosure, power wire, circuit protection, battery condition and charging system all have to support the plan; the amplifier number alone does not make the system better.\u003c\/p\u003e\u003ch3\u003eCXA360.4 — four full-range channels\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e46CXA3604\u003c\/strong\u003e is the speaker amplifier in this family: 65 watts × 4 at 4 ohms, 90 watts × 4 at 2 ohms or 180 watts × 2 bridged at 4 ohms. Use it for a front\/rear speaker system, a passive component layout, or another four-channel job where a dedicated sub channel is not needed in the same chassis. Its full-range channels use Class A\/B amplification and include variable crossover control.\u003c\/p\u003e\u003ch3\u003eCXA660.5 — one amp for speakers plus subwoofer\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e46CXA6605\u003c\/strong\u003e combines four Class A\/B full-range channels with a Class-D subwoofer channel. It produces 65 watts × 4 plus 150 watts × 1 at 4 ohms, or 90 watts × 4 plus 300 watts × 1 at 2 ohms on the sub channel. Choose it when the system is a conventional four-speaker-plus-sub layout and keeping the rack to one amplifier matters more than having a larger dedicated mono sub amp.\u003c\/p\u003e\u003ch3\u003eWhich CX should you pick?\u003c\/h3\u003e\u003cp\u003eStart with channel count. If the job is speakers only, CXA360.4 is the four-channel answer. If one chassis needs to run four speakers and a moderate sub, CXA660.5 is the cleaner architecture. If the job is bass only, choose 400.1, 800.1, 1200.1 or 1800.1 from the woofer RMS target and final impedance. Do not choose the lowest possible impedance first and then try to force the subwoofer wiring to match it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe result:\u003c\/strong\u003e CX gives us conventional analog amplifier control, useful OEM-signal compatibility and enough model range to build from a basic four-channel system through an 1,800-watt sub stage without pretending every build needs the same amplifier.\u003c\/p\u003e\u003ch2\u003eManufacturer Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003e4 Ohm\u003c\/th\u003e\n\u003cth\u003e2 Ohm\u003c\/th\u003e\n\u003cth\u003e1 Ohm \/ Bridged\u003c\/th\u003e\n\u003cth\u003ePrimary Role\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCXA400.1\u003c\/td\u003e\n\u003ctd\u003e150 W × 1\u003c\/td\u003e\n\u003ctd\u003e300 W × 1\u003c\/td\u003e\n\u003ctd\u003e400 W × 1 @ 1Ω\u003c\/td\u003e\n\u003ctd\u003eMono subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCXA800.1\u003c\/td\u003e\n\u003ctd\u003e300 W × 1\u003c\/td\u003e\n\u003ctd\u003e600 W × 1\u003c\/td\u003e\n\u003ctd\u003e800 W × 1 @ 1Ω\u003c\/td\u003e\n\u003ctd\u003eMono subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCXA1200.1\u003c\/td\u003e\n\u003ctd\u003e600 W × 1\u003c\/td\u003e\n\u003ctd\u003e1,200 W × 1\u003c\/td\u003e\n\u003ctd\u003e1,200 W × 1 @ 1Ω\u003c\/td\u003e\n\u003ctd\u003eMono subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCXA1800.1\u003c\/td\u003e\n\u003ctd\u003e900 W × 1\u003c\/td\u003e\n\u003ctd\u003e1,800 W × 1\u003c\/td\u003e\n\u003ctd\u003e1,800 W × 1 @ 1Ω\u003c\/td\u003e\n\u003ctd\u003eMono subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCXA360.4\u003c\/td\u003e\n\u003ctd\u003e65 W × 4\u003c\/td\u003e\n\u003ctd\u003e90 W × 4\u003c\/td\u003e\n\u003ctd\u003e180 W × 2 bridged @ 4Ω\u003c\/td\u003e\n\u003ctd\u003eFour-channel full-range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCXA660.5\u003c\/td\u003e\n\u003ctd\u003e65 W × 4 + 150 W sub\u003c\/td\u003e\n\u003ctd\u003e90 W × 4 + 300 W sub\u003c\/td\u003e\n\u003ctd\u003e180 W × 2 bridged full-range @ 4Ω\u003c\/td\u003e\n\u003ctd\u003eFive-channel whole-system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cul\u003e\n\u003cli\u003eFIT+ high- and low-level input architecture\u003c\/li\u003e\n\u003cli\u003eHigh-level input capability: up to 40 V\u003c\/li\u003e\n\u003cli\u003eMono models: Class D and stable to 1 ohm\u003c\/li\u003e\n\u003cli\u003eCXA360.4: Class A\/B full-range channels\u003c\/li\u003e\n\u003cli\u003eCXA660.5: Class A\/B full-range channels + Class D sub channel\u003c\/li\u003e\n\u003cli\u003eOptional CXARC remote bass control supported on mono\/bass applications as specified by KICKER\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kicker","offers":[{"title":"Mono Amplifier — 1800W — CXA1800.1","offer_id":51707495219433,"sku":"46CXA18001","price":499.99,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 1200W — CXA1200.1","offer_id":51707495252201,"sku":"46CXA12001","price":399.99,"currency_code":"USD","in_stock":true},{"title":"5-Channel Amplifier — CXA660.5","offer_id":51707495284969,"sku":"46CXA6605","price":449.99,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 800W — CXA800.1","offer_id":51707495317737,"sku":"46CXA8001","price":299.99,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — CXA360.4","offer_id":51707495350505,"sku":"46CXA3604","price":229.99,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 400W — CXA400.1","offer_id":51707495383273,"sku":"46CXA4001","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/kicker-46cxa18001-cxa1800-1-front.jpg?v=1787454320"},{"product_id":"recoil-spl-black-myth-series-amplifiers","title":"Recoil Black Myth Amplifiers — SPL3800.1, SPL6500.1 \u0026 SPL4200.4","description":"\u003ch2\u003eRecoil SPL Black Myth Amplifiers\u003c\/h2\u003e\u003cp\u003eThis is not the part of the Recoil line you buy because you just need “an amp.” The Black Myth SPL models are for systems where the current draw, speaker load and output target are already serious enough that the amplifier becomes part of the electrical-system design.\u003c\/p\u003e\u003cp\u003eThe two monoblocks are built around high-output subwoofer duty. The SPL4200.4 is the outlier: it is a four-channel Class-D amplifier that can deliver four-figure power per channel at 1 ohm, so it belongs in extreme multi-speaker, pro-audio or competition-style builds rather than a normal four-speaker daily system.\u003c\/p\u003e\u003ch3\u003eSPL6500.1 — 6,500W Monoblock\u003c\/h3\u003e\u003cp\u003eChoose the SPL6500.1 when the sub stage actually needs this level of power and the electrical system has been built for it. Recoil rates it at 6,500 watts x1 at 1 ohm, 4,000 watts x1 at 2 ohms and 2,150 watts x1 at 4 ohms at 14.4 volts. The published 400-amp fuse rating alone should tell you this is not a stock-electrical-system amplifier.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e6,500 W x 1 @ 1 ohm, 14.4 V\u003c\/li\u003e\n\u003cli\u003e4,000 W x 1 @ 2 ohms, 14.4 V\u003c\/li\u003e\n\u003cli\u003e2,150 W x 1 @ 4 ohms, 14.4 V\u003c\/li\u003e\n\u003cli\u003e9–16 V operating range\u003c\/li\u003e\n\u003cli\u003e11 Hz–249 Hz published frequency response\u003c\/li\u003e\n\u003cli\u003e11–50 Hz subsonic filter\u003c\/li\u003e\n\u003cli\u003e32–249 Hz low-pass crossover\u003c\/li\u003e\n\u003cli\u003e92 dB published S\/N ratio\u003c\/li\u003e\n\u003cli\u003e0.2–7.4 V low-level input sensitivity\u003c\/li\u003e\n\u003cli\u003e400 A fuse rating\u003c\/li\u003e\n\u003cli\u003eWired bass remote\u003c\/li\u003e\n\u003cli\u003ePublished dimensions: 28.5 x 9.25 x 2.64 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSPL3800.1 — 3,800W Monoblock\u003c\/h3\u003e\u003cp\u003eThe SPL3800.1 is the more manageable of the two Black Myth mono choices, but “manageable” is relative here. It still makes 3,800 watts at 1 ohm and is intended for a high-current subwoofer stage. Pick it over the 6500.1 when the subwoofer power target does not justify the extra amplifier and electrical demand.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3,800 W x 1 @ 1 ohm\u003c\/li\u003e\n\u003cli\u003e2,600 W x 1 @ 2 ohms\u003c\/li\u003e\n\u003cli\u003e1,400 W x 1 @ 4 ohms\u003c\/li\u003e\n\u003cli\u003e12 Hz–258 Hz published frequency response\u003c\/li\u003e\n\u003cli\u003e12–48 Hz subsonic filter\u003c\/li\u003e\n\u003cli\u003e35–258 Hz low-pass crossover\u003c\/li\u003e\n\u003cli\u003e95 dB published S\/N ratio\u003c\/li\u003e\n\u003cli\u003e0.2–6 V low-level input sensitivity\u003c\/li\u003e\n\u003cli\u003eFour-way thermal, voltage, speaker-short and DC protection\u003c\/li\u003e\n\u003cli\u003eMicroprocessor-controlled cooling fans\u003c\/li\u003e\n\u003cli\u003eDual 1\/0 power and ground connections\u003c\/li\u003e\n\u003cli\u003ePublished dimensions: 21.4 x 9.25 x 2.64 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSPL4200.4 — 4-Channel High-Output Amplifier\u003c\/h3\u003e\u003cp\u003eThe SPL4200.4 is for a completely different job. It is the choice when the build needs huge full-range power across four channels — large banks of mids, midbass drivers or other low-impedance multi-speaker loads. Recoil Audio USA rates it at 1,050 watts x4 at 1 ohm, 720 watts x4 at 2 ohms and 420 watts x4 at 4 ohms.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1,050 W x 4 @ 1 ohm, 14.4 V\u003c\/li\u003e\n\u003cli\u003e720 W x 4 @ 2 ohms, 14.4 V\u003c\/li\u003e\n\u003cli\u003e420 W x 4 @ 4 ohms, 14.4 V\u003c\/li\u003e\n\u003cli\u003e1,400 W x 2 bridged @ 4 ohms\u003c\/li\u003e\n\u003cli\u003eUp to 2,150 W x 2 in the published 2-ohm bridged\/strapped configuration\u003c\/li\u003e\n\u003cli\u003e9–16 V operating range\u003c\/li\u003e\n\u003cli\u003eSelectable high-pass and low-pass crossover ranges\u003c\/li\u003e\n\u003cli\u003eMicroprocessor-controlled fan cooling\u003c\/li\u003e\n\u003cli\u003eFour-way thermal, voltage, speaker-short and DC protection\u003c\/li\u003e\n\u003cli\u003e300 A fuse rating\u003c\/li\u003e\n\u003cli\u003ePublished dimensions: 20.6 x 9.25 x 2.64 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich Black Myth Amp Makes Sense?\u003c\/h3\u003e\u003cp\u003eSPL3800.1 is the first mono choice when the subwoofer stage needs several thousand watts. SPL6500.1 is for the step beyond that, where the subwoofers and electrical system are already designed around extreme current demand. SPL4200.4 is not the “middle” model — it is the four-channel solution for high-output speaker banks.\u003c\/p\u003e\u003cp\u003eAt this level the final amplifier choice cannot be separated from coil configuration, minimum impedance, alternator capacity, battery reserve, cable size, fuse strategy and thermal management. The electrical system has to be designed around the amplifier instead of treating power wiring as an accessory added afterward.\u003c\/p\u003e","brand":"Recoil Audio","offers":[{"title":"Mono Amplifier — 6500W — SPL6500.1","offer_id":51707503116521,"sku":"SPL6500.1","price":1300.0,"currency_code":"USD","in_stock":false},{"title":"4-Channel Amplifier — SPL4200.4","offer_id":51707503149289,"sku":"SPL4200.4","price":700.0,"currency_code":"USD","in_stock":false},{"title":"Mono Amplifier — 3800W — SPL3800.1","offer_id":51707503182057,"sku":"SPL3800.1","price":950.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/6-10_e093fa71-4570-44ca-9543-3953a84b73b0.jpg?v=1780964761"},{"product_id":"kicker-warhorse-wxa-competition-amplifiers-select-model","title":"KICKER Warhorse WXA Competition Amplifiers — Mono \u0026 4-Channel","description":"\u003ch2\u003eKICKER Warhorse WXA Competition Amplifiers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWarhorse is not one amplifier family where you pick the bigger wattage.\u003c\/strong\u003e WXA3600.1 is a dedicated high-output mono amplifier for subwoofer\/SPL systems. WXA1000.4 is a full-range four-channel amplifier that can run four high-power speaker channels or bridge into two very large 4-ohm loads. Both are built around serious current delivery, FIT+ high\/low-level integration and KICKER’s magnetic diagnostic tool, but they belong in different parts of the system.\u003c\/p\u003e\u003ch2\u003eWXA3600.1 — Mono \/ 3,600 W RMS @ 1Ω\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eChoose WXA3600.1 when the build is intentionally designed around a high-power mono bass channel.\u003c\/strong\u003e KICKER uses a full-bridge Class-D architecture, dual 1\/0-AWG power and ground connections, quad microprocessor-controlled cooling fans and 4-AWG speaker terminals. This is the Warhorse for large Solo X\/L7X-style subwoofer systems and other high-output bass builds where the enclosure, voice-coil wiring and electrical system are planned around thousands of watts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1,400 W RMS × 1 @ 4Ω\u003c\/li\u003e\n\u003cli\u003e2,500 W RMS × 1 @ 2Ω\u003c\/li\u003e\n\u003cli\u003e3,600 W RMS × 1 @ 1Ω\u003c\/li\u003e\n\u003cli\u003e5,000 W dynamic power\u003c\/li\u003e\n\u003cli\u003eFrequency response: 10–200 Hz\u003c\/li\u003e\n\u003cli\u003eVariable low-pass: 50–200 Hz, 24 dB\/octave\u003c\/li\u003e\n\u003cli\u003eDefeatable 15 Hz subsonic filter, 24 dB\/octave\u003c\/li\u003e\n\u003cli\u003eLow-level input: 125 mV–5 V\u003c\/li\u003e\n\u003cli\u003eHigh-level input: 1–40 V\u003c\/li\u003e\n\u003cli\u003eDual 1\/0-AWG power\/ground architecture\u003c\/li\u003e\n\u003cli\u003eQuad regulated cooling fans\u003c\/li\u003e\n\u003cli\u003eRemote bass-level control included with 6 m cable\u003c\/li\u003e\n\u003cli\u003eMagnetic diagnostic tool included with 6 m cable\u003c\/li\u003e\n\u003cli\u003eDimensions: 15-3\/8 L × 9-1\/8 W × 2-9\/16 H in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompetition Mode\u003c\/h3\u003e\u003cp\u003eWXA3600.1 adds KICKER’s Competition Mode for multi-amplifier\/SPL work. It fixes the input sensitivity at 4 volts and locks out the normal gain adjustment so matching several amplifiers is repeatable and the potentiometer cannot creep after setup. That feature matters in a competition-style multi-amp system; it is not something a normal single-amplifier daily build needs to turn on just because the switch exists.\u003c\/p\u003e\u003cp\u003eThe included diagnostic tool shows battery voltage and amplifier protection\/status information in real time. That is useful because a 3,600-watt amplifier can expose voltage and wiring problems very quickly. It still does not replace proper current-capacity calculations, voltage logging or an electrical system built for the load.\u003c\/p\u003e\u003ch2\u003eWXA1000.4 — Full-Range 4-Channel \/ 450 W × 4 @ 2Ω\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eChoose WXA1000.4 when the high-output section is the speakers, midbass or another full-range multi-channel load rather than one mono subwoofer bank.\u003c\/strong\u003e It uses a half-bridge Class-D topology and gives four independent channels with enough power for serious pro-audio, motorcycle, SQL or multi-way systems. If the build only needs two channels, each channel pair can bridge into a supported 4-ohm load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e250 W RMS × 4 @ 4Ω\u003c\/li\u003e\n\u003cli\u003e450 W RMS × 4 @ 2Ω\u003c\/li\u003e\n\u003cli\u003e900 W RMS × 2 bridged @ 4Ω\u003c\/li\u003e\n\u003cli\u003e2,000 W dynamic power\u003c\/li\u003e\n\u003cli\u003eFrequency response: 10 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003eLow-level input: 125 mV–5 V\u003c\/li\u003e\n\u003cli\u003eHigh-level input: 1–40 V\u003c\/li\u003e\n\u003cli\u003eAMP 1 crossover: Off \/ HP \/ LP, 24 dB\/octave, variable 10 Hz–5 kHz with 10× range switch\u003c\/li\u003e\n\u003cli\u003eAMP 2 crossover: Off \/ HP \/ LP \/ BP, 24 dB\/octave; low-pass 100 Hz–5 kHz \/ high-pass 10–500 Hz\u003c\/li\u003e\n\u003cli\u003e1\/0-AWG power and ground inputs\u003c\/li\u003e\n\u003cli\u003eStart\/Stop compatible; KICKER specifies operation down to 6.5 V\u003c\/li\u003e\n\u003cli\u003eMagnetic voltage\/protection diagnostic tool included with 6 m cable\u003c\/li\u003e\n\u003cli\u003eDimensions: 15-3\/8 L × 9-1\/8 W × 2-9\/16 H in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe crossover flexibility is why this amp can belong in a real active\/high-output speaker system instead of only being a “big four-channel.” One pair can be filtered differently from the other, and AMP 2 can run band-pass when a dedicated midbass\/midrange section needs both high- and low-frequency limits. If the system already has a DSP, we would normally let the DSP handle the detailed crossover architecture and use the amp controls as appropriate protection\/setup tools.\u003c\/p\u003e\u003ch2\u003eWhich Warhorse?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWXA3600.1:\u003c\/strong\u003e one high-power mono channel, 1-ohm capable, Competition Mode, bass remote included. \u003cstrong\u003eWXA1000.4:\u003c\/strong\u003e four full-range channels or two bridged 4-ohm channels with wide active-crossover capability. They solve different jobs; WXA3600.1 is not a substitute for speaker amplification and WXA1000.4 is not the replacement for a 3,600-watt mono subwoofer amp.\u003c\/p\u003e\u003ch2\u003eElectrical System \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eBoth amplifiers accept a wide range of factory or aftermarket signals through KICKER FIT+ differential inputs, but high-level compatibility does not remove factory EQ, bass roll-off, ANC or all-pass behavior. If the source needs correction, solve that upstream with the correct interface\/DSP.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWarhorse-level power requires Warhorse-level electrical planning.\u003c\/strong\u003e Battery reserve, alternator\/charging capacity, power and ground conductor size, fuse\/distribution architecture, termination quality and voltage at the amplifier all need to be designed around the actual continuous load. The amplifier should be selected after the speaker\/subwoofer impedance and electrical plan are known—not before.\u003c\/p\u003e","brand":"Kicker","offers":[{"title":"Mono Amplifier — 3600W — WXA3600.1","offer_id":51707507441897,"sku":"49WXA36001","price":999.99,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — WXA1000.4","offer_id":51707507474665,"sku":"49WXA10004","price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/kicker-warhorse-wxa36001-family-front.jpg?v=1787454762"},{"product_id":"recoil-rl-series-l-3-amplifiers","title":"Recoil RL Series L-3 Amplifiers — Mono, 4 \u0026 5-Channel Models","description":"\u003ch2\u003eRecoil RL Series L-3 Amplifiers\u003c\/h2\u003e\u003cp\u003eThe RL line is for the system that needs real amplifier power without giving up half the vehicle to the amp rack. Recoil built the L-3 family around compact Class-D chassis, with mono amplifiers for subwoofers, four-channel models for speakers and midbass, and a five-channel model when you want one amplifier to handle most of the system.\u003c\/p\u003e\u003cp\u003eThe right RL is not automatically the one with the biggest number. Start with what the amplifier has to run, how many channels you need, the impedance of those speakers or subwoofers, and how much clean power the drivers actually want. A 1-ohm mono amp, a four-channel amp bridged into two loads, and a five-channel full-system amp solve three different problems.\u003c\/p\u003e\u003ch2\u003eChoose the Amplifier Architecture First\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRL680.1 \/ RL1000.1 \/ RL1600.1 \/ RL2300.1:\u003c\/strong\u003e mono amplifiers. Choose these when the job is one subwoofer channel and size the model around the final wired impedance and the sub stage's real RMS requirement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRL680.4 \/ RL880.4 \/ RL1200.4 \/ RL1800.4:\u003c\/strong\u003e four-channel full-range amplifiers. These are for front\/rear speakers, four pro-audio drivers, dedicated midbass, or two higher-power loads when the selected model supports 4-ohm bridged operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRL1100.5:\u003c\/strong\u003e five-channel amplifier. This is the one-chassis answer when you want four full-range channels plus a dedicated subwoofer channel.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRL Mono Amplifiers — Match the Sub Stage, Not the Model Name\u003c\/h2\u003e\u003ch3\u003eRL680.1 — Compact Daily Bass Power\u003c\/h3\u003e\u003cp\u003eThe RL680.1 is the starting point when the sub stage needs useful 1-ohm power but the install has very little amplifier space. Recoil rates it at 680 watts RMS at 1 ohm, 500 watts at 2 ohms and 260 watts at 4 ohms. At only about 4.13 x 4.92 x 2 inches, this is the model that makes sense for a modest daily sub system where a larger chassis would create more installation problems than it solves.\u003c\/p\u003e\u003cp\u003eIt also has the controls a sub amp actually needs: variable low-pass filtering, a 10–35 Hz subsonic filter, 0–12 dB bass boost, clip indication and an included bass remote. That makes it a much better system choice than buying a larger amplifier and turning everything down just because the bigger number looks better.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePick the RL680.1 when:\u003c\/strong\u003e the final sub load is 1, 2 or 4 ohms, the power requirement lands inside this amp's published output range, and compact size matters.\u003c\/p\u003e\u003ch3\u003eRL1000.1 — The 1,000-Watt Step\u003c\/h3\u003e\u003cp\u003eThe RL1000.1 is the next move when the sub stage needs more headroom than the RL680.1 can provide. Recoil publishes 1,000 watts RMS at 1 ohm, 680 watts at 2 ohms and 380 watts at 4 ohms. It stays compact at roughly 5.9 x 4.92 x 2.01 inches, so the gain in output does not require a conventional full-size monoblock chassis.\u003c\/p\u003e\u003cp\u003eThis model makes sense for a stronger single-sub setup or a multi-sub combination that lands on the correct final load. The important part is wiring the woofers first on paper. If the sub combination ends up at 2 ohms, this is a 680-watt amplifier in that system—not a 1,000-watt amplifier just because 1000 is in the model name.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePick the RL1000.1 when:\u003c\/strong\u003e you need roughly 1,000 watts at 1 ohm or its 680\/380-watt output at the higher loads and still want a small chassis.\u003c\/p\u003e\u003ch3\u003eRL1600.1 — Serious Bass Without a Huge Footprint\u003c\/h3\u003e\u003cp\u003eThe RL1600.1 moves the L-3 mono platform into a much stronger sub stage: 1,600 watts RMS at 1 ohm, 1,050 watts at 2 ohms and 610 watts at 4 ohms. This is where electrical supply, power wire, fuse sizing and enclosure design start mattering just as much as the amplifier itself.\u003c\/p\u003e\u003cp\u003eIt includes a 50–300 Hz low-pass filter, 10–35 Hz subsonic filter, 0–12 dB bass boost, bass remote, REM\/VOX\/DC turn-on modes and clip\/power\/protection indicators. The chassis is still only about 204 x 125 x 51 mm. That combination makes it useful in builds where the bass section has grown but the available amp-rack space has not.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePick the RL1600.1 when:\u003c\/strong\u003e the sub stage truly needs the 1,050–1,600-watt range at its final load and the vehicle's electrical and wiring are being built to support it.\u003c\/p\u003e\u003ch3\u003eRL2300.1 — High-Output Mono\u003c\/h3\u003e\u003cp\u003eThe RL2300.1 is the largest mono model in this RL lineup: 2,350 watts RMS at 1 ohm, 1,500 watts at 2 ohms and 900 watts at 4 ohms. This is not a casual add-on amp. At this level we are looking at the complete power path—charging system, battery support, OFC cable size, fuse protection, grounds, enclosure and the actual thermal capability of the subwoofers.\u003c\/p\u003e\u003cp\u003eIt also includes a 20 Hz–35 kHz response plus adjustable 30–300 Hz HPF and LPF controls, along with a 12–35 Hz subsonic filter, 0–12 dB bass boost and bass remote. That is a broader control set than the smaller RL mono models. For a normal SMS subwoofer build we would still configure it around the bass system rather than treating the extra bandwidth as a reason to run an unrelated load.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePick the RL2300.1 when:\u003c\/strong\u003e the system is genuinely designed around roughly 2,350 watts at 1 ohm, 1,500 at 2 ohms or 900 at 4 ohms and the vehicle can support the current demand.\u003c\/p\u003e\u003ch2\u003eRL Four-Channel Amplifiers — Choose by Speaker Load and Channel Plan\u003c\/h2\u003e\u003ch3\u003eRL680.4 — Compact Four-Channel Power\u003c\/h3\u003e\u003cp\u003eThe RL680.4 is for the system that needs a real amplifier on four speakers without asking for a large amp rack. It is rated at 95 watts x 4 at 4 ohms, 170 watts x 4 at 2 ohms and 250 watts x 2 bridged at 4 ohms.\u003c\/p\u003e\u003cp\u003eThat gives you two useful ways to use it. Run four conventional 4-ohm speakers around the 95-watt level, or use the extra 2-ohm output for lower-impedance pro-audio or parallel-driver layouts that are designed for it. Bridging turns it into a two-channel 250-watt-per-channel amp for a pair of drivers that actually need more power.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePick the RL680.4 when:\u003c\/strong\u003e space is tight and the system needs roughly 95 x 4 at 4 ohms, 170 x 4 at 2 ohms or 250 x 2 bridged at 4 ohms.\u003c\/p\u003e\u003ch3\u003eRL880.4 — More Headroom on Four Channels\u003c\/h3\u003e\u003cp\u003eThe RL880.4 steps up to 140 watts x 4 at 4 ohms and 220 watts x 4 at 2 ohms, with 380 watts x 2 available when bridged into 4-ohm loads. This is a better match when the speakers are beyond normal factory-replacement power levels and you want enough headroom for stronger components, pro mids or dedicated midbass.\u003c\/p\u003e\u003cp\u003eRecoil also gives it independent 30–300 Hz high-pass and low-pass controls. That does not replace a DSP when the system needs time alignment, EQ and complex crossover work, but it does let a simpler system protect the speakers and define their operating range without adding another processor just to get basic filtering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePick the RL880.4 when:\u003c\/strong\u003e the RL680.4 is short on output but you still want the next four-channel step before moving into the 300-watt-per-channel class.\u003c\/p\u003e\u003ch3\u003eRL1200.4 — High-Power Four-Channel\u003c\/h3\u003e\u003cp\u003eThe RL1200.4 is where the four-channel side of this family becomes a serious high-output speaker amplifier. It is rated at 190 watts x 4 at 4 ohms, 300 watts x 4 at 2 ohms and 520 watts x 2 bridged at 4 ohms.\u003c\/p\u003e\u003cp\u003eThat makes it much more appropriate for high-power pro-audio mids, dedicated midbass or other drivers that would leave a smaller four-channel amplifier working at its limit. The 30–300 Hz HPF and LPF sections are independently adjustable, and it includes 4-way protection and clip indication. The chassis remains compact at about 6.67 x 4.92 x 2.01 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePick the RL1200.4 when:\u003c\/strong\u003e you actually need around 190 watts per 4-ohm speaker, 300 watts per 2-ohm channel or a pair of 4-ohm loads around 520 watts each in bridged operation.\u003c\/p\u003e\u003ch3\u003eRL1800.4 — High-Output Four-Channel\u003c\/h3\u003e\u003cp\u003eThe RL1800.4 is the high-output four-channel option in the L-3 family for multi-speaker, midbass and pro-audio systems that need more amplifier than the smaller RL four-channel models can provide.\u003c\/p\u003e\u003cp\u003ePublished output is 260 watts x 4 at 4 ohms, 450 watts x 4 at 2 ohms and 800 watts x 2 bridged at 4 ohms. That puts it above RL1200.4 when the speakers and electrical system can actually use the additional power.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePick the RL1800.4 when:\u003c\/strong\u003e the build needs roughly 260 watts per 4-ohm channel, 450 watts per 2-ohm channel or two 4-ohm bridged channels around 800 watts each.\u003c\/p\u003e\u003ch2\u003eRL1100.5 — One Amplifier for Speakers and Subwoofer\u003c\/h2\u003e\u003cp\u003eThe RL1100.5 solves a different problem than every other amp on this page. Instead of installing a four-channel amplifier plus a separate monoblock, it gives you four full-range channels and one dedicated subwoofer channel in one 8.27 x 4.92 x 2-inch chassis.\u003c\/p\u003e\u003cp\u003eAt 4 ohms, it delivers 80 watts x 4 for the speaker channels plus 250 watts on channel 5. At 2 ohms, the full-range channels produce 140 watts x 4 and the sub channel produces 420 watts. Channel 5 is independently rated at 600 watts RMS at 1 ohm. That 1-ohm capability applies to the dedicated sub channel—not to the four full-range channels.\u003c\/p\u003e\u003cp\u003eThe 2\/4\/5-pair input selector, separate gain\/filter controls and REM\/DC\/VOX turn-on choices also make this the most integration-friendly architecture in the RL family when the goal is a clean single-amplifier daily system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePick the RL1100.5 when:\u003c\/strong\u003e you want front speakers, rear speakers and a moderate sub stage from one chassis and its 600-watt 1-ohm sub channel is enough for the bass system.\u003c\/p\u003e\u003ch2\u003eReal Buying Logic\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eBest Reason to Choose It\u003c\/th\u003e\n\u003cth\u003ePublished Output\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL680.1\u003c\/td\u003e\n\u003ctd\u003eSmall mono amp for a modest daily sub stage\u003c\/td\u003e\n\u003ctd\u003e680W @1Ω \/ 500W @2Ω \/ 260W @4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL1000.1\u003c\/td\u003e\n\u003ctd\u003eCompact step to roughly 1kW at 1 ohm\u003c\/td\u003e\n\u003ctd\u003e1000W @1Ω \/ 680W @2Ω \/ 380W @4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL1600.1\u003c\/td\u003e\n\u003ctd\u003eHigher-output bass system without a large chassis\u003c\/td\u003e\n\u003ctd\u003e1600W @1Ω \/ 1050W @2Ω \/ 610W @4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL2300.1\u003c\/td\u003e\n\u003ctd\u003eLargest mono option in this RL lineup\u003c\/td\u003e\n\u003ctd\u003e2350W @1Ω \/ 1500W @2Ω \/ 900W @4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL680.4\u003c\/td\u003e\n\u003ctd\u003eCompact four-channel speaker amp\u003c\/td\u003e\n\u003ctd\u003e95W x4 @4Ω \/ 170W x4 @2Ω \/ 250W x2 bridged @4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL880.4\u003c\/td\u003e\n\u003ctd\u003eMore four-channel headroom for components or midbass\u003c\/td\u003e\n\u003ctd\u003e140W x4 @4Ω \/ 220W x4 @2Ω \/ 380W x2 bridged @4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL1200.4\u003c\/td\u003e\n\u003ctd\u003eHigh-power four-channel speaker\/midbass system\u003c\/td\u003e\n\u003ctd\u003e190W x4 @4Ω \/ 300W x4 @2Ω \/ 520W x2 bridged @4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL1800.4\u003c\/td\u003e\n\u003ctd\u003eHighest-output four-channel option in this RL lineup\u003c\/td\u003e\n\u003ctd\u003e260W x4 @4Ω \/ 450W x4 @2Ω \/ 800W x2 bridged @4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL1100.5\u003c\/td\u003e\n\u003ctd\u003eOne-chassis front\/rear\/sub system\u003c\/td\u003e\n\u003ctd\u003e80W x4 + 250W @4Ω; 140W x4 + 420W @2Ω; CH5 600W @1Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eInstallation and Tuning Reality\u003c\/h2\u003e\u003cp\u003eThese are RMS output ratings at their stated loads; they are not a reason to wire a speaker or subwoofer below the amplifier's supported impedance. Build the final load first, then look at the power the amplifier makes at that load.\u003c\/p\u003e\u003cp\u003eOn the mono models, the subsonic and low-pass filters are there to protect the woofer and keep the amplifier working in the range the bass system actually needs. On the four-channel models, high-pass and low-pass filtering help divide the workload between speakers. A DSP is still the better tool when the system needs time alignment, independent EQ, steeper crossover control or a fully active front stage.\u003c\/p\u003e\u003cp\u003eElectrical support scales with output. The RL680.1 and RL680.4 can live in systems that would be completely inappropriate for the RL2300.1. Once the amplifier gets into four-digit current-demand territory, alternator capacity, battery reserve, OFC cable size, fuse protection and grounds are part of the amplifier installation—not optional accessories after the fact.\u003c\/p\u003e\u003ch2\u003eManufacturer Specifications\u003c\/h2\u003e\u003ch3\u003eMono Models\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003e1Ω\u003c\/th\u003e\n\u003cth\u003e2Ω\u003c\/th\u003e\n\u003cth\u003e4Ω\u003c\/th\u003e\n\u003cth\u003eKey Filtering \/ Controls\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL680.1\u003c\/td\u003e\n\u003ctd\u003e680W x1\u003c\/td\u003e\n\u003ctd\u003e500W x1\u003c\/td\u003e\n\u003ctd\u003e260W x1\u003c\/td\u003e\n\u003ctd\u003eLPF 50–300Hz; subsonic 10–35Hz; 0–12dB bass boost; bass remote\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL1000.1\u003c\/td\u003e\n\u003ctd\u003e1000W x1\u003c\/td\u003e\n\u003ctd\u003e680W x1\u003c\/td\u003e\n\u003ctd\u003e380W x1\u003c\/td\u003e\n\u003ctd\u003eAdjustable LPF; 12dB bass boost; protection; compact chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL1600.1\u003c\/td\u003e\n\u003ctd\u003e1600W x1\u003c\/td\u003e\n\u003ctd\u003e1050W x1\u003c\/td\u003e\n\u003ctd\u003e610W x1\u003c\/td\u003e\n\u003ctd\u003eLPF 50–300Hz; subsonic 10–35Hz; 0–12dB bass boost; bass remote; REM\/VOX\/DC turn-on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL2300.1\u003c\/td\u003e\n\u003ctd\u003e2350W x1\u003c\/td\u003e\n\u003ctd\u003e1500W x1\u003c\/td\u003e\n\u003ctd\u003e900W x1\u003c\/td\u003e\n\u003ctd\u003eHPF\/LPF 30–300Hz; subsonic 12–35Hz; 0–12dB bass boost; bass remote\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eFour- and Five-Channel Models\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003e4Ω Output\u003c\/th\u003e\n\u003cth\u003e2Ω Output\u003c\/th\u003e\n\u003cth\u003eBridged \/ Sub Output\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL680.4\u003c\/td\u003e\n\u003ctd\u003e95W x4\u003c\/td\u003e\n\u003ctd\u003e170W x4\u003c\/td\u003e\n\u003ctd\u003e250W x2 @4Ω bridged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL880.4\u003c\/td\u003e\n\u003ctd\u003e140W x4\u003c\/td\u003e\n\u003ctd\u003e220W x4\u003c\/td\u003e\n\u003ctd\u003e380W x2 @4Ω bridged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL1200.4\u003c\/td\u003e\n\u003ctd\u003e190W x4\u003c\/td\u003e\n\u003ctd\u003e300W x4\u003c\/td\u003e\n\u003ctd\u003e520W x2 @4Ω bridged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL1800.4\u003c\/td\u003e\n\u003ctd\u003e260W x4\u003c\/td\u003e\n\u003ctd\u003e450W x4\u003c\/td\u003e\n\u003ctd\u003e800W x2 @4Ω bridged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRL1100.5\u003c\/td\u003e\n\u003ctd\u003e80W x4 + 250W CH5\u003c\/td\u003e\n\u003ctd\u003e140W x4 + 420W CH5\u003c\/td\u003e\n\u003ctd\u003eCH5: 600W @1Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Recoil Audio","offers":[{"title":"Mono Amplifier — 680W — RL680.1","offer_id":51707566817513,"sku":"RL680.1","price":170.0,"currency_code":"USD","in_stock":false},{"title":"Mono Amplifier — 1000W — RL1000.1","offer_id":51707566850281,"sku":"RL1000.1","price":200.0,"currency_code":"USD","in_stock":false},{"title":"Mono Amplifier — 1600W — RL1600.1","offer_id":51707566883049,"sku":"RL1600.1","price":240.0,"currency_code":"USD","in_stock":false},{"title":"Mono Amplifier — 2350W — RL2300.1","offer_id":51707566915817,"sku":"RL2300.1","price":320.0,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — RL680.4","offer_id":51707566948585,"sku":"RL680.4","price":150.0,"currency_code":"USD","in_stock":false},{"title":"4-Channel Amplifier — RL880.4","offer_id":51707566981353,"sku":"RL880.4","price":200.0,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — RL1200.4","offer_id":51707567014121,"sku":"RL1200.4","price":250.0,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — RL1800.4","offer_id":51707567046889,"sku":"RL1800.4","price":240.0,"currency_code":"USD","in_stock":true},{"title":"5-Channel Amplifier — RL1100.5","offer_id":51707567079657,"sku":"RL1100.5","price":300.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/recoil-rl2300-1-main.webp?v=1787455218"},{"product_id":"recoil-m-series-class-d-amplifiers","title":"Recoil M Series Amplifiers — Mono, 4, 6 \u0026 8-Channel Models","description":"\u003ch2\u003eRecoil M Series Class-D Amplifiers\u003c\/h2\u003e\u003cp\u003eThe M Series is for builds where channel count matters just as much as raw power. Instead of stacking multiple small amplifiers to run a full front stage, rear fill and extra speakers, the M1000.4, M1200.6 and M1600.8 give you four, six or eight full-range channels in one chassis. The M1700.1 is the dedicated subwoofer amplifier that completes the family.\u003c\/p\u003e\u003cp\u003eThe right model comes down to what the system actually needs to power. Four channels is enough for a conventional front\/rear setup. Six channels makes sense for a three-way front stage or four speakers plus another stereo pair. Eight channels is for larger active systems, multiple speaker zones or high-output builds that would otherwise need two four-channel amps. The monoblock is only for the sub stage.\u003c\/p\u003e\u003ch3\u003eM1000.4 — 4-Channel\u003c\/h3\u003e\u003cp\u003eChoose the M1000.4 when you need strong four-channel power without paying for channels the system will not use. It is the straightforward choice for a four-speaker system, a two-way active front stage, or a pair of channels that may later be bridged for a higher-power two-channel load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e160 W x 4 @ 4 ohms\u003c\/li\u003e\n\u003cli\u003e250 W x 4 @ 2 ohms\u003c\/li\u003e\n\u003cli\u003e480 W x 2 bridged @ 4 ohms\u003c\/li\u003e\n\u003cli\u003eFull-range Class-D design\u003c\/li\u003e\n\u003cli\u003eVariable high-pass and low-pass crossover control\u003c\/li\u003e\n\u003cli\u003eHigh-level signal-sensing turn-on support\u003c\/li\u003e\n\u003cli\u003e4-way protection for voltage, thermal, speaker-short and overload conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eM1200.6 — 6-Channel\u003c\/h3\u003e\u003cp\u003eThe M1200.6 is the sweet spot when four channels are not enough but eight would be wasted. A common real-world use is a three-way front stage on six independent channels, or four main speakers plus another stereo pair. Recoil publishes 145 watts x6 at 4 ohms, 200 watts x6 at 2 ohms and 320 watts x3 bridged at 4 ohms.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e145 W x 6 @ 4 ohms\u003c\/li\u003e\n\u003cli\u003e200 W x 6 @ 2 ohms\u003c\/li\u003e\n\u003cli\u003e320 W x 3 bridged @ 4 ohms\u003c\/li\u003e\n\u003cli\u003eFull-range Class-D design\u003c\/li\u003e\n\u003cli\u003eSix independent amplified channels\u003c\/li\u003e\n\u003cli\u003eUseful for active front stages, multi-speaker builds and powersports systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eM1600.8 — 8-Channel\u003c\/h3\u003e\u003cp\u003eChoose the M1600.8 when the system genuinely needs eight amplified channels in one chassis. That can mean a fully active front stage with rear fill, multiple pairs of pro-audio speakers, or a larger powersports build where keeping the amplifier count down matters. The advantage is packaging and channel density, not simply “more power.”\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e120 W x 8 @ 4 ohms\u003c\/li\u003e\n\u003cli\u003e200 W x 8 @ 2 ohms\u003c\/li\u003e\n\u003cli\u003e320 W x 4 bridged @ 4 ohms\u003c\/li\u003e\n\u003cli\u003e20 Hz–20 kHz published frequency response\u003c\/li\u003e\n\u003cli\u003e30–300 Hz high-pass \/ low-pass crossover range\u003c\/li\u003e\n\u003cli\u003e0.2–12 V published input sensitivity\u003c\/li\u003e\n\u003cli\u003eSignal-sensing high-level turn-on support\u003c\/li\u003e\n\u003cli\u003e4\/8-channel input mode\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eM1700.1 — Monoblock\u003c\/h3\u003e\u003cp\u003eThe M1700.1 is the bass amplifier in the family. Use it when the system needs a dedicated sub channel instead of trying to bridge full-range channels for bass duty. Its 1-ohm rating makes it a practical match for many single- or multiple-sub systems once the final voice-coil load is calculated correctly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e600 W x 1 @ 4 ohms\u003c\/li\u003e\n\u003cli\u003e1,100 W x 1 @ 2 ohms\u003c\/li\u003e\n\u003cli\u003e1,700 W x 1 @ 1 ohm\u003c\/li\u003e\n\u003cli\u003e10–250 Hz published frequency response\u003c\/li\u003e\n\u003cli\u003e50–250 Hz low-pass crossover\u003c\/li\u003e\n\u003cli\u003e10–50 Hz subsonic filter\u003c\/li\u003e\n\u003cli\u003e0–15 dB bass boost\u003c\/li\u003e\n\u003cli\u003e0–180° phase adjustment\u003c\/li\u003e\n\u003cli\u003eRemote level control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich M Series Amp Makes Sense?\u003c\/h3\u003e\u003cp\u003eM1000.4 is the choice when four channels cover the system. M1200.6 is the better fit for six-channel active or multi-speaker layouts. M1600.8 earns its place when you truly need eight amplified channels and want to keep the rack compact. M1700.1 is not an alternative to those three—it is the dedicated subwoofer amplifier.\u003c\/p\u003e\u003cp\u003eChannel count should be planned before the amplifier is chosen. If a DSP is controlling an active system, make sure the DSP output count, amplifier channel count, speaker impedance and crossover plan all line up. Bridging can increase power, but it reduces the number of available channels and changes the minimum load the amplifier can safely drive.\u003c\/p\u003e","brand":"Recoil Audio","offers":[{"title":"4-Channel Amplifier — M1000.4","offer_id":51707892334825,"sku":"M1000.4","price":250.0,"currency_code":"USD","in_stock":false},{"title":"6-Channel Amplifier — M1200.6","offer_id":51707892367593,"sku":"M1200.6","price":300.0,"currency_code":"USD","in_stock":false},{"title":"8-Channel Amplifier — M1600.8","offer_id":51707892400361,"sku":"M1600.8","price":350.0,"currency_code":"USD","in_stock":false},{"title":"Mono Amplifier — M1700.1","offer_id":51707909964009,"sku":"M1700.1","price":300.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/M1600.8-1-510x510.jpg?v=1787461105"},{"product_id":"cicada-audio-flx-amplifiers-select-model","title":"Cicada Audio FLX Series Amplifiers","description":"\u003ch2\u003eCicada Audio FLX Amplifiers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eFLX is Cicada’s compact high-output amplifier family for motorcycles, powersports and other installs where normal-size amplifiers are hard to package.\u003c\/strong\u003e The models on this page do three different jobs: conventional four-channel power, full-range mono power, and four-channel amplification with an integrated six-channel DSP. The right model comes from the speaker load, channel count, tuning architecture and electrical system—not simply the largest wattage number.\u003c\/p\u003e\u003ch3\u003eFLX500.4 — compact 4-channel \/ 125 W × 4\u003c\/h3\u003e\u003cp\u003eThis is the smallest current-output step in the family and Cicada currently marks it \u003cstrong\u003efor Cicada system kits only\u003c\/strong\u003e. At 14.4 volts it delivers 95 W × 4 at 4 ohms, 125 W × 4 at 2 ohms, or 250 W × 2 bridged at 4 ohms. We would use it where four efficient speakers need clean power and keeping current draw and chassis size down matters more than chasing the output of the larger FLX models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e95 W × 4 @ 4Ω \/ 125 W × 4 @ 2Ω \/ 250 W × 2 bridged @ 4Ω\u003c\/li\u003e\n\u003cli\u003e20 Hz–20 kHz frequency response\u003c\/li\u003e\n\u003cli\u003e0.2–12 V input sensitivity\u003c\/li\u003e\n\u003cli\u003eREM \/ DC \/ VOX turn-on\u003c\/li\u003e\n\u003cli\u003e50 A recommended fuse\u003c\/li\u003e\n\u003cli\u003e4.0 × 4.9 × 2.0 in. chassis; 5.2 × 4.9 × 2.0 in. with brackets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFLX700.4 — compact 4-channel \/ 175 W × 4\u003c\/h3\u003e\u003cp\u003eFLX700.4 is the next step when four channels need more headroom without giving up the micro chassis. It produces 120 W × 4 at 4 ohms, 175 W × 4 at 2 ohms, or 350 W × 2 bridged at 4 ohms. This is a practical match for a four-speaker motorcycle or compact pro-audio layout that needs more output than the 500.4 but does not justify the larger electrical demand of the 1000.4, 1400.4 or 2000.4.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e120 W × 4 @ 4Ω \/ 175 W × 4 @ 2Ω \/ 350 W × 2 bridged @ 4Ω\u003c\/li\u003e\n\u003cli\u003e20 Hz–20 kHz frequency response\u003c\/li\u003e\n\u003cli\u003e0.2–12 V input sensitivity\u003c\/li\u003e\n\u003cli\u003eREM \/ DC \/ VOX turn-on\u003c\/li\u003e\n\u003cli\u003e50 A recommended fuse\u003c\/li\u003e\n\u003cli\u003e4.1 × 4.9 × 2.0 in. chassis; 5.3 × 4.9 × 2.0 in. with brackets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFLX1000.4 — 4-channel \/ 254 W × 4\u003c\/h3\u003e\u003cp\u003eFLX1000.4 is where the family moves into roughly 250 watts per channel at 2 ohms. At 14.4 volts it produces 168 W × 4 at 4 ohms, 254 W × 4 at 2 ohms, or 530 W × 2 bridged at 4 ohms. We would use it when the speakers actually need this power range and the electrical system can support the higher current demand rather than bridging a smaller amp just to reach the number.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e168 W × 4 @ 4Ω \/ 254 W × 4 @ 2Ω \/ 530 W × 2 bridged @ 4Ω\u003c\/li\u003e\n\u003cli\u003e20 Hz–20 kHz frequency response\u003c\/li\u003e\n\u003cli\u003e30–300 Hz LPF \/ FULL \/ HPF crossover\u003c\/li\u003e\n\u003cli\u003e0.2–12 V gain range\u003c\/li\u003e\n\u003cli\u003eREM \/ DC turn-on\u003c\/li\u003e\n\u003cli\u003e120 A recommended fuse\u003c\/li\u003e\n\u003cli\u003e6.0 × 4.9 × 2.0 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFLX1400.4 — 4-channel \/ 350 W × 4\u003c\/h3\u003e\u003cp\u003eFLX1400.4 is the conventional high-power four-channel choice when the system needs up to 350 watts per channel at 2 ohms. It also bridges to 700 W × 2 at 4 ohms. Cicada specifies 4 AWG power wiring. This is the model we would choose for higher-output coaxial-horn or midbass systems that need four strong channels but do \u003cstrong\u003enot\u003c\/strong\u003e need the DSP built into the amplifier.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e225 W × 4 @ 4Ω \/ 350 W × 4 @ 2Ω \/ 700 W × 2 bridged @ 4Ω at 14.4 V\u003c\/li\u003e\n\u003cli\u003e20 Hz–20 kHz frequency response\u003c\/li\u003e\n\u003cli\u003e30–300 Hz LPF \/ FULL \/ HPF crossover\u003c\/li\u003e\n\u003cli\u003e0.2–12 V gain range\u003c\/li\u003e\n\u003cli\u003eREM \/ DC turn-on\u003c\/li\u003e\n\u003cli\u003e120 A recommended fuse\u003c\/li\u003e\n\u003cli\u003e4 AWG power wire required by Cicada\u003c\/li\u003e\n\u003cli\u003e6-5\/8 × 4.9 × 2.0 in. chassis; 7.9 × 4.9 × 2.0 in. overall\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFLX2000.4 — highest-output conventional 4-channel\u003c\/h3\u003e\u003cp\u003eFLX2000.4 is not just a 1400.4 with a bigger label. At 14.4 volts Cicada publishes 331 W × 4 at 4 ohms, 542 W × 4 at 2 ohms and 1,044 W × 2 bridged at 4 ohms. Cicada also specifically requires a \u003cstrong\u003elithium battery upgrade and 4 AWG power wiring\u003c\/strong\u003e. That electrical requirement is part of the product choice. We would only move here when the drivers and system design actually call for this output.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e331 W × 4 @ 4Ω \/ 542 W × 4 @ 2Ω \/ 1,044 W × 2 bridged @ 4Ω at 14.4 V\u003c\/li\u003e\n\u003cli\u003e20 Hz–20 kHz frequency response\u003c\/li\u003e\n\u003cli\u003e30–300 Hz LPF \/ FULL \/ HPF crossover\u003c\/li\u003e\n\u003cli\u003e0.2–12 V gain range\u003c\/li\u003e\n\u003cli\u003eREM \/ DC turn-on\u003c\/li\u003e\n\u003cli\u003e120 A recommended fuse\u003c\/li\u003e\n\u003cli\u003eLithium battery upgrade and 4 AWG power wire required by Cicada\u003c\/li\u003e\n\u003cli\u003e9.2 × 4.9 × 2.0 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFLX1600.1 — full-range mono \/ 1,600 W @ 2Ω\u003c\/h3\u003e\u003cp\u003eFLX1600.1 is a \u003cstrong\u003efull-range mono amplifier\u003c\/strong\u003e, not a subwoofer-only monoblock. Cicada publishes 950 W at 4 ohms and 1,600 W at 2 ohms at 14.4 volts, with a 10 Hz–20 kHz response. That makes it useful for high-power paired speaker or midbass banks wired to a safe mono load as well as other mono applications. Minimum published load is 2 ohms; do not plan it as a 1-ohm amplifier.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e950 W × 1 @ 4Ω \/ 1,600 W × 1 @ 2Ω at 14.4 V\u003c\/li\u003e\n\u003cli\u003e10 Hz–20 kHz frequency response\u003c\/li\u003e\n\u003cli\u003eHPF: 10–80 Hz \/ LPF: 80 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003e0.2–12 V gain range\u003c\/li\u003e\n\u003cli\u003eREM \/ DC turn-on\u003c\/li\u003e\n\u003cli\u003e100 A recommended fuse\u003c\/li\u003e\n\u003cli\u003e4 AWG power wire required by Cicada\u003c\/li\u003e\n\u003cli\u003e9.2 × 4.9 × 2.0 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFLX2500.1 — full-range mono \/ 2,500 W @ 2Ω\u003c\/h3\u003e\u003cp\u003eFLX2500.1 is the higher-output full-range mono option. Cicada rates it at 2,500 watts RMS into 2 ohms at 14.4 volts and requires a \u003cstrong\u003elithium battery upgrade plus 2 AWG power wire\u003c\/strong\u003e. This is for a system intentionally designed around that electrical and thermal load. It is not a 1-ohm amplifier, and it should not be selected before the final speaker impedance and charging system are known.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2,500 W × 1 @ 2Ω at 14.4 V\u003c\/li\u003e\n\u003cli\u003e10 Hz–20 kHz frequency response\u003c\/li\u003e\n\u003cli\u003eHPF: 10–80 Hz \/ LPF: 80 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003e0.2–12 V gain range\u003c\/li\u003e\n\u003cli\u003eREM \/ DC turn-on\u003c\/li\u003e\n\u003cli\u003e150 A recommended fuse\u003c\/li\u003e\n\u003cli\u003eLithium battery upgrade and 2 AWG power wire required by Cicada\u003c\/li\u003e\n\u003cli\u003e9.2 × 4.9 × 2.0 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFLX PRO — amplifier plus DSP\u003c\/h2\u003e\u003cp\u003eThe PRO models solve a different problem. Instead of adding a separate processor, they combine four amplified channels with a \u003cstrong\u003esix-channel DSP: four amplified outputs plus two DSP pass-through outputs\u003c\/strong\u003e. That lets one compact chassis handle the main amplified channels while still providing processed signal for another amplifier.\u003c\/p\u003e\u003ch3\u003eFLX700.4PRO — 175 W × 4 + 6-channel DSP\u003c\/h3\u003e\u003cp\u003ePower is the same basic range as the conventional FLX700.4—120 W × 4 at 4 ohms, 175 W × 4 at 2 ohms and 350 W × 2 bridged at 4 ohms—but the PRO adds DSP control, USB-C PC tuning, Bluetooth audio streaming, Harley-oriented Molex input options, conformal-coated circuitry, 4 AWG power input and 12 AWG busbar-style speaker outputs. Choose it when the build needs both the 700.4 power level and integrated tuning rather than adding a separate DSP.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e120 W × 4 @ 4Ω \/ 175 W × 4 @ 2Ω \/ 350 W × 2 bridged @ 4Ω\u003c\/li\u003e\n\u003cli\u003e6-channel DSP: 4 amplified + 2 pass-through\u003c\/li\u003e\n\u003cli\u003e20 Hz–20 kHz frequency response\u003c\/li\u003e\n\u003cli\u003eREM \/ DC \/ VOX turn-on\u003c\/li\u003e\n\u003cli\u003e50 A recommended fuse\u003c\/li\u003e\n\u003cli\u003e4.1 × 4.9 × 2.0 in. chassis; 5.3 × 4.9 × 2.0 in. with brackets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFLX1400.4PRO — 350 W × 4 + 6-channel DSP\u003c\/h3\u003e\u003cp\u003eFLX1400.4PRO pairs the 350-watt-per-channel output class with the same four-amplified\/two-pass-through DSP architecture. At 14.4 volts Cicada publishes 225 W × 4 at 4 ohms, 350 W × 4 at 2 ohms and 700 W × 2 bridged at 4 ohms. It uses 4 AWG power input, 12 AWG speaker-output busbars, Molex inputs, REM\/DC\/VOX turn-on and conformal-coated circuitry for the motorcycle environment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e225 W × 4 @ 4Ω \/ 350 W × 4 @ 2Ω \/ 700 W × 2 bridged @ 4Ω\u003c\/li\u003e\n\u003cli\u003e6-channel DSP: 4 amplified + 2 pass-through\u003c\/li\u003e\n\u003cli\u003e20 Hz–20 kHz frequency response\u003c\/li\u003e\n\u003cli\u003eDSP HP \/ BP \/ LP crossover control with 6 \/ 12 \/ 24 \/ 48 dB-per-octave slopes\u003c\/li\u003e\n\u003cli\u003eREM \/ DC \/ VOX turn-on\u003c\/li\u003e\n\u003cli\u003e100 A recommended fuse\u003c\/li\u003e\n\u003cli\u003e7.1 × 4.9 × 2.0 in. chassis; 8.26 × 4.9 × 2.0 in. with brackets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDSP Software\u003c\/h3\u003e\u003cp\u003eUse Cicada Audio's Windows DIALD software for DSP setup and tuning. Bluetooth audio streaming on the PRO amplifiers is a separate feature from DSP configuration.\u003c\/p\u003e\u003ch2\u003eHow SMS would choose the FLX model\u003c\/h2\u003e\u003cp\u003eStart with the speaker layout and impedance. Use 500.4 or 700.4 when the system needs moderate four-channel power in the smallest chassis. Move to 1000.4, 1400.4 or 2000.4 only as the drivers and electrical system justify the added output. Use 1600.1 or 2500.1 when a high-power \u003cstrong\u003e2-ohm-or-higher mono full-range\u003c\/strong\u003e channel is the correct architecture. Use a PRO model when DSP integration is part of the design from the start.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eElectrical support is not optional.\u003c\/strong\u003e Cicada explicitly calls for 4 AWG on the FLX1400.4 and FLX1600.1, a lithium battery upgrade with 4 AWG on the FLX2000.4, and a lithium battery upgrade with 2 AWG on the FLX2500.1. Build the charging, battery, fuse and wire plan around the amplifier that is actually selected.\u003c\/p\u003e","brand":"Cicada Audio","offers":[{"title":"4-Channel Amplifier — FLX500.4","offer_id":51708589736169,"sku":"FLX500.4","price":399.99,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — FLX700.4","offer_id":51708589768937,"sku":"FLX700.4","price":499.99,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — FLX1000.4","offer_id":51708589801705,"sku":"FLX1000.4","price":699.99,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — FLX1400.4","offer_id":51708589834473,"sku":"FLX1400.4","price":899.99,"currency_code":"USD","in_stock":true},{"title":"4-Channel Amplifier — FLX2000.4","offer_id":51708589867241,"sku":"FLX2000.4","price":1099.99,"currency_code":"USD","in_stock":true},{"title":"Mono Amplifier — 1600W — FLX1600.1","offer_id":51708599468265,"sku":"FLX1600.1","price":699.99,"currency_code":"USD","in_stock":false},{"title":"Mono Amplifier — 2500W — FLX2500.1","offer_id":51708599501033,"sku":"FLX2500.1","price":799.99,"currency_code":"USD","in_stock":false},{"title":"4-Channel DSP Amplifier — FLX700.4PRO","offer_id":51708599533801,"sku":"FLX700.4PRO","price":699.99,"currency_code":"USD","in_stock":false},{"title":"4-Channel DSP Amplifier — FLX1400.4PRO","offer_id":51708599566569,"sku":"FLX1400.4PRO","price":1099.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/files\/cicada-audio-flx700-4.jpg?v=1787358611"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0311\/8134\/0811\/collections\/amplifiers_75e9d51a-d3e3-4582-a7cc-95387b755765.webp?v=1789014003","url":"https:\/\/smscaraudio.com\/collections\/multi-channel-full-range-amplifiers.oembed","provider":"SMS Car Audio","version":"1.0","type":"link"}